pinctrl: mediatek: Fix bug of ies/smt setting for mt8173.

Add ies/smt support for MSDC3.
Also fix ies bug for pin 106 and 107.

Signed-off-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>