dts: arm: npcx: Fix GPIOE3 low voltage control map
dts: arm: npcx: Fix GPIOE3 low voltage control map

NPCX series used npcx-lvol-ctrl-map to record the GPIO & low voltage
control register map. However, GPIOE3 was configured as GPIOE6, which
is a non-existed pin. This commit fixes the GPIOE3 low voltage control
map.

Signed-off-by: Wealian Liao <3fcda8e31b39800ae4b5099fe537977bd2d284f1@nuvoton.com>

galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr