This commit introduces CPU_HAS_ARM_MPU and CPU_HAS_NXP_MPU options,
which indicate which flavour of MPU is supported by given SoC family.
Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
Rather than do that for each architecture, source SoC Kconfigs where the
code is maintained, under ZEPHYR_BASE/soc.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>