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/zynq_zc770_xm011_defconfig b/configs/zynq_zc770_xm011_defconfig
index 2a61fe3..49dd025 100644
--- a/configs/zynq_zc770_xm011_defconfig
+++ b/configs/zynq_zc770_xm011_defconfig
@@ -9,6 +9,6 @@
 CONFIG_SYS_EXTRA_OPTIONS="ZC770_XM011"
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_OF_SEPARATE=y
 CONFIG_NET_RANDOM_ETHADDR=y