drivers: renesas: common: Add support for DRAM initialization on RZ/G2H SoC

Add support for initializing DRAM on RZ/G2H SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Change-Id: Iae23f1093f65a9efd065d37b7d6e9340ff6350b9
3 files changed