soc/mediatek/mt8188: Rename SPM register
The SPM register at offset 0x0 is often named as poweron_config_set in
previous MediaTek SoCs. To use common driver, we rename it from
poweron_config_en to poweron_config_set.
BUG=none
TEST=emerge-geralt coreboot.
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: I31dbf09d668844d3ee74790c657a2ab076e8cdf0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68486
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>