drivers: soc_flash_mcux: remove dependency on CONFIG_HAS_MCUX_IAP
drivers: soc_flash_mcux: remove dependency on CONFIG_HAS_MCUX_IAP

Remove flash driver dependency on CONFIG_HAS_MCUX_IAP for determining
if the SOC uses an NXP IAP flash controller, and instead use the
devicetree compatible to determine this.

Signed-off-by: Daniel DeGrasse <002dd1d4ac44ebb71088aae93501e62b784ed821@nxp.com>

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