armv8: ls2080a: Increase MC's DDR size to 512 MB

Freescale's management complex (MC) uses System DDR for internal usage.
Increase used System DDR size from 256MB to 512 MB.

Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@freescale.com>
Acked-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
1 file changed