ARM: mxs: add parameter to mx28_mem_init to allow custom memory config
Rename the already global array of default memory settings to make the
intended usage more obvious.
Also make generous use of the const keyword.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>