feat(plat/mediatek/apu): setup mt8192 APU_S_S_4 and APU_S_S_5 permission

Setup APU_S_S_4/APU_S_S_5 permission as SEC_RW_ONLY.

Change-Id: I6c50b2913bf34270a1b0ffaf0e0c435fee192a4c
1 file changed