ARM: imx: Add gpio-keys to plat-mxc

Add imx_add_gpio_keys function to add gpio-keys in plat-mxc

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
5 files changed