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/dnp5370_defconfig b/configs/dnp5370_defconfig
index b809dfa..3b323e9 100644
--- a/configs/dnp5370_defconfig
+++ b/configs/dnp5370_defconfig
@@ -1,4 +1,5 @@
 CONFIG_BLACKFIN=y
 CONFIG_TARGET_DNP5370=y
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_NET_RANDOM_ETHADDR=y