When writing key_protect_setting to PMIC, PMIC expects receiving 1 byte
per write. PMIC would receive unexpected zero byte if using
mt6685_write16. Fix the write operation by using mt6685_write8.
TEST=Build pass.
BUG=b:388666377
Signed-off-by: Lu Tang <lu.tang@mediatek.corp-partner.google.com>
Change-Id: Ib6e79642e813e7a1f0d38243e9c4db5a699cc9e3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86035
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
3eb39a1a33