pinctrl: dt bindings: Add pinfunc header file for mt2701

Add pinfunc header file, mt2701 related dts will include it

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 file changed