Moved to: include/zephyr/drivers/misc/flexram/memc_nxp_flexram.h
This change makes it so that the .h file does not need to be pulled in
using the CMakeLists.txt file, and can be included like other public
includes.
Removes drivers/memc/memc_nxp_flexram.h
Add memc_nxp_flexram.h to include/zephyr/drivers/misc/flexram
Modify drivers/memc/memc_nxp_flexram.c to use the new include path.
Modifies the mimxrt1170 magic_addr sample to include the driver using
the new include path.
Modify the soc file: soc/nxp/imxrt/imxrt11xx/soc.c to use the new path.
Add relevant information to migration-guide-4.2.rst.
Signed-off-by: Jacob Wienecke <jacob.wienecke@nxp.com>
Co-authored-by: Declan Snyder <declan.snyder@nxp.com>
