Move those will be shared by other MTK SOCs (for example, MT8183) to
common/ddp.c.
BUG=b:80501386,b:117254947
BRANCH=none
TEST=Boots correctly on Oak
Change-Id: Ie5709ab6e263caa21fdf7e799dc2ee884ffaf800
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34515
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>