已验证ART-PI在rtthread主分支的I2C驱动，增加kconfig中I2C的配置。

bsp/stm32/stm32h750-artpi-h750/board/Kconfig

@@ -57,12 +57,65 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
-
     config BSP_USING_ONCHIP_RTC
         bool "Enable Onchip RTC"
         select RT_USING_RTC
         default n
 
+    menuconfig BSP_USING_I2C
+        bool "Enable I2C BUS (software simulation)"
+        select RT_USING_I2C
+        select RT_USING_I2C_BITOPS
+        select RT_USING_PIN
+        default n
+        if BSP_USING_I2C
+            menuconfig BSP_USING_I2C1
+                bool "Enable I2C1 BUS (software simulation)"
+                default n
+                select RT_USING_I2C
+                select RT_USING_I2C_BITOPS
+                select RT_USING_PIN
+                if BSP_USING_I2C1
+                    comment "Notice: PB6 --> 22; PB7 --> 23" 
+                    config BSP_I2C1_SCL_PIN
+                        int "I2C1 scl pin number"
+                        range 0 175
+                        default 22
+                    config BSP_I2C1_SDA_PIN
+                        int "I2C1 sda pin number"
+                        range 0 175
+                        default 23
+                endif
+            menuconfig BSP_USING_I2C2
+                bool "Enable I2C2 BUS (software simulation)"
+                default n
+                if BSP_USING_I2C2
+                    comment "Notice: PH13 --> 125; PH15 --> 127"
+                    config BSP_I2C2_SCL_PIN
+                        int "i2c2 scl pin number"
+                        range 1 176
+                        default 127
+                    config BSP_I2C2_SDA_PIN
+                        int "I2C2 sda pin number"
+                        range 0 175
+                        default 125
+                endif
+            menuconfig BSP_USING_I2C3
+                bool "Enable I2C3 BUS (software simulation)"
+                default n
+                if BSP_USING_I2C3
+                    comment "Notice: PH12 --> 124; PH11 --> 123"
+                    config BSP_I2C3_SCL_PIN
+                        int "i2c3 scl pin number"
+                        range 0 175
+                        default 123
+                    config BSP_I2C3_SDA_PIN
+                        int "I2C3 sda pin number"
+                        range 0 175
+                        default 124
+                endif
+        endif
+        
     source "../libraries/HAL_Drivers/Kconfig"
 
 endmenu