[stm32]删除RTC对libc的依赖

bsp/stm32/stm32f091-st-nucleo/board/Kconfig

@@ -138,7 +138,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f103-atk-nano/board/Kconfig

@@ -183,7 +183,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f103-atk-warshipv3/board/Kconfig

@@ -207,7 +207,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f103-blue-pill/board/Kconfig

@@ -51,7 +51,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f103-fire-arbitrary/board/Kconfig

@@ -255,7 +255,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f103-hw100k-ibox/board/Kconfig

@@ -198,7 +198,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f407-atk-explorer/board/Kconfig

@@ -286,7 +286,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f411-atk-nano/board/Kconfig

@@ -140,7 +140,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f411-st-nucleo/board/Kconfig

@@ -111,7 +111,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f413-st-nucleo/board/Kconfig

@@ -131,7 +131,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f429-armfly-v6/board/Kconfig

@@ -187,7 +187,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f429-atk-apollo/board/Kconfig

@@ -250,7 +250,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f429-fire-challenger/board/Kconfig

@@ -209,7 +209,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f767-atk-apollo/board/Kconfig

@@ -226,7 +226,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32f767-fire-challenger/board/Kconfig

@@ -193,7 +193,6 @@ menuconfig BSP_USING_SPI
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32g070-st-nucleo/board/Kconfig

@@ -168,7 +168,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32h743-atk-apollo/board/Kconfig

@@ -157,7 +157,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l412-st-nucleo/board/Kconfig

@@ -44,7 +44,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l432-st-nucleo/board/Kconfig

@@ -44,7 +44,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l433-st-nucleo/board/Kconfig

@@ -70,7 +70,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l475-atk-pandora/board/Kconfig

@@ -321,7 +321,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l476-st-nucleo/board/Kconfig

@@ -179,7 +179,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l496-ali-developer/board/Kconfig

@@ -201,7 +201,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice

bsp/stm32/stm32l4r5-st-nucleo/board/Kconfig

@@ -102,7 +102,6 @@ menu "Hardware Drivers Config"
         menuconfig BSP_USING_ONCHIP_RTC
             bool "Enable RTC"
             select RT_USING_RTC
-            select RT_USING_LIBC
             default n
             if BSP_USING_ONCHIP_RTC
                 choice

bsp/stm32/stm32wb55-st-nucleo/board/Kconfig

@@ -143,7 +143,6 @@ menu "On-chip Peripheral Drivers"
     menuconfig BSP_USING_ONCHIP_RTC
         bool "Enable RTC"
         select RT_USING_RTC
-        select RT_USING_LIBC
         default n
         if BSP_USING_ONCHIP_RTC
             choice