fix: boards: esp32: uart: pinmux assignment
fix: boards: esp32: uart: pinmux assignment

Fix pinmux property values assigned to both UART1
and UART2 nodes.

Signed-off-by: Glauber Maroto Ferreira <dedf8e032f416c6160988666098d376154426ed6@espressif.com>

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