fix(mt8186-emi-mpu): fix SCP permission

Hardware video decoding is not working after enabling EMI MPU protection
for SCP.

According to coreboot DEVAPC setting, SCP belongs to domain 4 instead of
domain 3. So correct the permission setting.

BUG=b:249954378
TEST=play video and see codec irq count is incrementing.

Signed-off-by: Yidi Lin <yidilin@chromium.org>
Change-Id: If71de3eabf8682909f96924c159aa92f25deb96c
1 file changed