pinctrl: sunxi: add support for suniv F1C100s (newer F-series SoCs)

The suniv F1C100s chip (several new F-series SoCs) of Allwinner has a
pin
controller like other SoCs from Allwinner.

Add support for it.

Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>