soc: npcx: Add soc log register

NPCX power.c use LOG_MODULE_DECLARE(soc), but NPCX chip doesn't
register soc log module. This CL register soc log in soc.c to fix NPCX
build error for power management & log system.

Signed-off-by: Wealian Liao <WHLIAO@nuvoton.com>
2 files changed