Save and restore the gpio6_c6 pinmux setting, since Maskrom of RK3288
would modify it to sdmmc0_det, so it need to be restored to the correct
setting after resume from Maskrom.
Signed-off-by: NChris Zhong <zyw@rock-chips.com>
Tested-by: NDoug Anderson <dianders@chromium.org>
Reviewed-by: NDoug Anderson <dianders@chromium.org>
Tested-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>