boards: Fix arduino_nano_33_ble PCB initialization problem.
boards: Fix arduino_nano_33_ble PCB initialization problem.

The board_internal_sensors_init function was called erlier than the GPIO
driver was initialized. This commit fixes the issue.

Signed-off-by: Przemyslaw Bida <a50c93f369fde5722836c96336399b0b25c1b4ec@nordicsemi.no>

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