drivers: gpio: esp32: fix pin number value
drivers: gpio: esp32: fix pin number value

ESP32 has 2 GPIOs: gpio0 and gpio1.
Zephyr DTS model requires pin definition in dts file
from 0 to 31, meaning that when some pin within gpio1 range
is required, gpio driver needs to increament this value
by 32, required by LL API.

Signed-off-by: Sylvio Alves <bd63183a3ab542e2b25ff1e90971d4881e1bdbe5@espressif.com>

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