Solve the pd could only ever turn off but never turn them on again,
if the pd registers have the writemask bits.

So far this affects the rk3328 only.

Fixes: 79bb17ce ("soc: rockchip: power-domain: Support domain control in hiword-registers")
Cc: stable@vger.kernel.org
Signed-off-by: NFinley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: NElaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: NUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>