pinctrl: mediatek: mt8195: Add pm_ops

Setting this up will configure wake from suspend properly,
and wake only for the interrupts that are setup in wake_mask,
not all interrupts.

Fixes: 6cf5e9ef

 ("pinctrl: add pinctrl driver on mt8195")
Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20210911071046.17349-2-zhiyong.tao@mediatek.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>