pmdomain: amlogic: init power domain state

If initial power domain with 'AWAY_ON' property state is off,
turn on the power.

Signed-off-by: xianwei.zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20230911025223.3433776-4-xianwei.zhao@amlogic.com


[Ulf: Re-based to fit the pmdomain subsystem]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>