fix: warnings generated by Kconfig.

components/dfs/Kconfig

@@ -34,7 +34,7 @@ endif
         int "The maximal number of opened files"
         default 16
 
-    choice
+    choice RT_USING_DFS_VERSION
         prompt "The version of DFS"
         default RT_USING_DFS_V1
         default RT_USING_DFS_V2 if RT_USING_SMART
@@ -74,7 +74,7 @@ endif
             bool "Using RT_DFS_ELM_WORD_ACCESS"
             default y
 
-        choice
+        choice RT_DFS_ELM_USE_LFN_NAME
             prompt "Support long file name"
             default RT_DFS_ELM_USE_LFN_3
 
@@ -98,7 +98,7 @@ endif
             default 2 if RT_DFS_ELM_USE_LFN_2
             default 3 if RT_DFS_ELM_USE_LFN_3
 
-        choice
+        choice RT_DFS_ELM_LFN_UNICODE_NAME
             prompt "Support unicode for long file name"
             default RT_DFS_ELM_LFN_UNICODE_0
 

components/drivers/serial/Kconfig

@@ -5,7 +5,7 @@ menuconfig RT_USING_SERIAL
     default y
 
     if RT_USING_SERIAL
-        choice
+        choice RT_USING_SERIAL_VERSION
             prompt "Choice Serial version"
             default RT_USING_SERIAL_V1
             config RT_USING_SERIAL_V1
@@ -14,7 +14,7 @@ menuconfig RT_USING_SERIAL
                 bool "RT_USING_SERIAL_V2"
         endchoice
 
-        choice
+        choice RT_USING_SERIAL_MODE
             prompt "Choice Serial version"
             depends on RT_USING_SERIAL_V2
             default RT_SERIAL_BUF_STRATEGY_OVERWRITE

components/drivers/usb/cherryusb/Kconfig

@@ -10,7 +10,7 @@ if CHERRYUSB
         default n
 
     if CHERRYUSB_DEVICE
-        choice
+        choice CHERRYUSB_DEVICE_SPEED
             prompt "Select usb device speed"
             default CHERRYUSB_DEVICE_SPEED_FS
             config CHERRYUSB_DEVICE_SPEED_FS
@@ -21,7 +21,7 @@ if CHERRYUSB
                 bool "AUTO"
         endchoice
 
-        choice
+        choice CHERRYUSB_DEVICE_IP
             prompt "Select usb device ip, and some ip need config in usb_config.h, please check"
             default CHERRYUSB_DEVICE_CUSTOM
             config CHERRYUSB_DEVICE_CUSTOM
@@ -158,7 +158,7 @@ if CHERRYUSB
             prompt "Enable usb cdc ecm device with lwip for lan"
             default n
 
-        choice
+        choice CHERRYUSB_DEVICE_TEMPLATE
             prompt "Select usb device template, please select class driver first"
             default CHERRYUSB_DEVICE_TEMPLATE_NONE
             config CHERRYUSB_DEVICE_TEMPLATE_NONE
@@ -235,7 +235,7 @@ if CHERRYUSB
         default n
 
     if CHERRYUSB_HOST
-        choice
+        choice CHERRYUSB_HOST_IP
             prompt "Select usb host ip, and some ip need config in usb_config.h, please check"
             default CHERRYUSB_HOST_CUSTOM
             config CHERRYUSB_HOST_CUSTOM

components/drivers/virtio/Kconfig

@@ -3,7 +3,7 @@ menuconfig RT_USING_VIRTIO
     default n
 
     if RT_USING_VIRTIO
-        choice
+        choice RT_USING_VIRTIO_VERSION
             prompt "VirtIO Version"
             default RT_USING_VIRTIO10
 

components/legacy/usb/Kconfig

@@ -50,7 +50,7 @@ menu "Using USB legacy version"
             config RT_USB_DEVICE_COMPOSITE
                 bool "Enable composite device"
                 default n
-                choice
+                choice RT_USING_COMPOSITE_DEVICE
                     prompt "Device type"
                     default _RT_USB_DEVICE_NONE
                     depends on !RT_USB_DEVICE_COMPOSITE

components/net/lwip/Kconfig

@@ -13,7 +13,7 @@ if RT_USING_LWIP
             If don't select this option, both local version and upstream
             version can be selected. If select this option, only local version
             can be selected.
-    choice
+    choice RT_USING_LWIP_VERSION
         prompt "lwIP version"
         default RT_USING_LWIP203
         help

components/utilities/Kconfig

@@ -21,7 +21,7 @@ menuconfig RT_USING_ULOG
 
     if RT_USING_ULOG
         if !ULOG_USING_SYSLOG
-            choice
+            choice ULOG_OUTPUT_LOG_LEVEL
                 prompt "The static output log level."
                 default ULOG_OUTPUT_LVL_D
                 help
@@ -42,7 +42,7 @@ menuconfig RT_USING_ULOG
         endif
 
         if ULOG_USING_SYSLOG
-            choice
+            choice ULOG_OUTPUT_LOG_LEVEL
                 prompt "The static output log level."
                 default ULOG_OUTPUT_LVL_DEBUG
                 help

components/utilities/rt-link/Kconfig

@@ -4,7 +4,7 @@ menuconfig RT_USING_RT_LINK
     default n
 
 if RT_USING_RT_LINK
-    choice
+    choice RT_LINK_USING_CRC
         prompt"use hw crc device or not"
         default RT_LINK_USING_SF_CRC
 

libcpu/Kconfig

@@ -228,7 +228,7 @@ config ARCH_RISCV_VECTOR
     bool
 
     if ARCH_RISCV_VECTOR
-        choice
+        choice ARCH_VECTOR_VLEN
             prompt "RISCV Vector Vlen"
             default ARCH_VECTOR_VLEN_128
 

src/Kconfig

@@ -55,7 +55,7 @@ config RT_USING_AMP
     bool "Enable AMP (Asymmetric Multi-Processing)"
     default n
     if RT_USING_AMP
-        choice
+        choice RT_USING_AMP_ROLE
             prompt "Select the AMP role"
             default RT_AMP_SLAVE
 
@@ -89,7 +89,7 @@ config RT_ALIGN_SIZE
     help
         Alignment size for CPU architecture data access
 
-choice
+choice RT_THREAD_PRIORITY_VAL_MAX
     prompt "The maximal level value of priority of thread"
     default RT_THREAD_PRIORITY_32
 
@@ -314,7 +314,7 @@ menu "Memory Management"
         default n
 
         if RT_USING_MEMHEAP
-            choice
+            choice RT_MEMHEAP_MODE
                 prompt "Memheap memory allocation mode"
                 default RT_MEMHEAP_FAST_MODE
 
@@ -332,7 +332,7 @@ menu "Memory Management"
             endchoice
         endif
 
-    choice
+    choice RT_USING_HEAP_TYPE
         prompt "System Heap Memory Management"
         default RT_USING_SMALL_MEM_AS_HEAP