feat(mt8188): enable apusys mailbox mpu protect

Enable apusys mailbox mpu protect.

Change-Id: Idbf67084037b7ecf4926f57a901075f98540ee57
Signed-off-by: Karl Li <karl.li@mediatek.com>
Signed-off-by: Chungying Lu <chungying.lu@mediatek.com>
7 files changed