STM32F411-MINIMUM Kconfig error

[JorgeGzm]

@xiaoxiang781216 The commit d904a0239227 generate a error when build other projects:

./tools/configure.sh linum-stm32h753bi:nsh
  Copy files
  Select CONFIG_HOST_LINUX=y
  Refreshing...
CP: arch/dummy/Kconfig to /home/jaga/nuttxspace/nuttx/arch/dummy/dummy_kconfig
....
mkkconfig in /home/jaga/nuttxspace/apps/wireless/bluetooth
mkkconfig in /home/jaga/nuttxspace/apps/wireless/ieee802154
mkkconfig in /home/jaga/nuttxspace/apps/wireless
mkkconfig in /home/jaga/nuttxspace/apps
boards/arm/stm32/stm32f411-minimum/Kconfig:83: can't open file "boards/arm/stm32/stm32f411-minimum/Kconfig.gpio"
make: *** [tools/Unix.mk:689: olddefconfig] Error 1
ERROR: failed to refresh

The error is the file boards/arm/stm32/stm32f411-minimum/Kconfig when add the Kconfig.gpio

menuconfig STM32F411MINIMUM_GPIO
	select DEV_GPIO
	bool "enable gpio subsystem"

if STM32F411MINIMUM_GPIO
source boards/arm/stm32/stm32f411-minimum/Kconfig.gpio
endif

endif

[anchao]

Thank you, fixed by #11784