common: add CMD_GPIO to Kconfig

Add CMD_GPIO to Kconfig and run tools/moveconfig.py .

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/am335x_sl50_defconfig b/configs/am335x_sl50_defconfig
index 608804c..e810fdc 100644
--- a/configs/am335x_sl50_defconfig
+++ b/configs/am335x_sl50_defconfig
@@ -1,9 +1,10 @@
 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SL50=y
+CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
 CONFIG_SPL_STACK_R=y
-CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SYS_EXTRA_OPTIONS="EMMC_BOOT"
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set