arm/nordic_nrf5: enable SOC_FLASH_NRF5 by default if FLASH is enabled

SOC_FLASH_NRF5 is compatible with any nrf5 device, so enable the driver
by default if CONFIG_FLASH is also enabled.

Change-Id: I6ddf7cc41bb28071f682e78661b184a8e2ee7aa9
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
1 file changed