pinctrl: mtk: fix check warnings.
This patch fixes check warnings.Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
authored by Zhiyong Tao and committed by Linus Walleij 8 years ago e6c462d3 6af8df4c