tests: drivers: flash: Fix nrf_qspi_nor_4B_addr requirements
tests: drivers: flash: Fix nrf_qspi_nor_4B_addr requirements

The test requires external memory connected but it was not
reflected in the yaml decription. Therefore, the test was failing
instead of being skipped. It is the same story as with #47241

Signed-off-by: Maciej Perkowski <cb34e965b6a5a3425eafdbd0feb7e469ae1417ea@nordicsemi.no>

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