pinctrl: rockchip: fix restore error in resume

The restore in resume should match to suspend which only set for RK3288
SoCs pinctrl.

Fixes: 8dca9331 ("pinctrl: rockchip: save and restore gpio6_c6 pinmux in suspend/resume")
Reviewed-by: Jianqun Xu <jay.xu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Wang Panzhenzhuan <randy.wang@rock-chips.com>
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210223100725.269240-1-jay.xu@rock-chips.com


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