Convert CONFIG_SPL_GPIO_SUPPORT to Kconfig
Move this option to Kconfig and tidy up existing uses.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/at91sam9n12ek_nandflash_defconfig b/configs/at91sam9n12ek_nandflash_defconfig
index 7d87d8e..b6cb4e4 100644
--- a/configs/at91sam9n12ek_nandflash_defconfig
+++ b/configs/at91sam9n12ek_nandflash_defconfig
@@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_AT91SAM9N12EK=y
+CONFIG_SPL_GPIO_SUPPORT=y
CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9N12,SYS_USE_NANDFLASH"
CONFIG_BOOTDELAY=3
CONFIG_SPL=y