SConstruc中的lib换为f7的

bsp/stm32/stm32f767-fire-challenger/SConstruct

@@ -45,7 +45,7 @@ Export('SDK_LIB')
 # prepare building environment
 objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
 
-stm32_library = 'STM32F4xx_HAL'
+stm32_library = 'STM32F7xx_HAL'
 rtconfig.BSP_LIBRARY_TYPE = stm32_library
 
 # include libraries