pinctrl: mediatek: add support for different pinctrl

Due to the pinctrl hardware of MT7622 is difference from others
SoC which using the common part of mediatek pinctrl.
So we need to modify the common part of mediatek pinctrl.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
7 files changed