linux-phytec-fsl

pinctrl: dt-bindings: Add pinctrl bindings for mt65xx/mt81xx.

Add devicetree bindings for Mediatek SoC pinctrl driver.

Signed-off-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>