The implementations of register_reset_to_bl31() are the same for
MedaiTek platforms, so we extract them to soc/common/bl31.c.
BUG=None
TEST=build pass
Change-Id: I297ea2e18a6d7e92236cf415844b166523616bdf
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>