[bsp][stm32][nano] support nano version

stm32 BSPs to support nano version (RT_USING_NANO)

这个commit支持到stm32f7之前的BSP

bsp/stm32/stm32f103-100ask-mini/board/Kconfig

@@ -1,12 +1,5 @@
 menu "Hardware Drivers Config"
 
-config SOC_STM32F103C8
-    bool
-    select SOC_SERIES_STM32F1
-    select RT_USING_COMPONENTS_INIT
-    select RT_USING_USER_MAIN
-    default y
-
 menu "Onboard Peripheral Drivers"
 
     config BSP_USING_USB_TO_USART
@@ -79,7 +72,7 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
-    source "../libraries/HAL_Drivers/Kconfig"
+    source "$BSP_DIR/../libraries/HAL_Drivers/drivers/Kconfig"
 
 endmenu
 

bsp/stm32/stm32f103-100ask-mini/board/board.c

@@ -8,7 +8,8 @@
  * 2019-03-08     obito0   first version
  */
 
-#include "board.h"
+#include <board.h>
+#include <drv_common.h>
 
 void SystemClock_Config(void)
 {

bsp/stm32/stm32f103-100ask-mini/board/board.h

@@ -11,10 +11,7 @@
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
-#include <rtthread.h>
 #include <stm32f1xx.h>
-#include "drv_common.h"
-#include "drv_gpio.h"
 
 #ifdef __cplusplus
 extern "C" {