soc: loongson: loongson_pm2: Populate children syscon nodes

The syscon poweroff and reboot nodes logically belong to the Power
Management Unit so populate possible children.

Without it, the reboot/poweroff feature becomes unavailable.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Binbin Zhou 2023-08-31 19:43:25 +08:00 • committed by Arnd Bergmann
commit a2fd542287