plat: renesas:rcar: Fix checkpatch warnings

Fix checkpatch warnings.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: If9318a5113fbd6ae8b5c4bfb409da9e393673258
1 file changed