We need those macros to instruct drivers on how to behave for SoC specific
quirks, so let's add it as done for other i.MX SoCs.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
This mpu handling works for every i.MXRT SoC that we have, so let's
generalize imxrt1050_region_config to imxrt_region_config.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>