feat(morello): zero out the DDR memory space

For Morello SoC, we use ECC capability for the RDIMMs
which require the entire DDR memory space to be zeroed
out before it can be accessed.

Change-Id: Icbe9916f9a2d3c4ce839d8bf7f867efa18f33e23
Signed-off-by: Manoj Kumar <manoj.kumar3@arm.com>
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
3 files changed