arm64: dts: allwinner: pinephone: Retain LEDs state in suspend

Allows user to set a LED before entering suspend to know that
the phone is still on (or could be used for notifications etc).

Signed-off-by: Miles Alan <m@milesalan.com>
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Aren Moynihan <aren@peacevolution.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20240317004116.1473967-1-aren@peacevolution.org


Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>