drivers: memc: memc_mcux_flexspi_hyperram: move device data to RAM

flexspi driver should not interact with flash whenever possible, and
should never use flash while in a critical write or erase section.
Move device data to RAM to prevent this read-while-write hazard.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
1 file changed