feat(plat/mediatek/apu): add mt8192 APU SiP call support

Add APU SiP call support for start/stop mcu.

Signed-off-by: Flora Fu <flora.fu@mediatek.com>
Change-Id: Ibf93d8ccf22c414de3093cee9e13f7668588f69e
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@mediatek.com>
diff --git a/plat/mediatek/mt8192/platform.mk b/plat/mediatek/mt8192/platform.mk
index 1a57ea8..0add415 100644
--- a/plat/mediatek/mt8192/platform.mk
+++ b/plat/mediatek/mt8192/platform.mk
@@ -16,6 +16,7 @@
                  -I${MTK_PLAT}/common/lpm/                        \
                  -I${MTK_PLAT_SOC}/include/                       \
                  -I${MTK_PLAT_SOC}/drivers/                       \
+                 -I${MTK_PLAT_SOC}/drivers/apusys/                \
                  -I${MTK_PLAT_SOC}/drivers/dcm                    \
                  -I${MTK_PLAT_SOC}/drivers/devapc                 \
                  -I${MTK_PLAT_SOC}/drivers/emi_mpu/               \
@@ -62,6 +63,7 @@
                    ${MTK_PLAT_SOC}/plat_pm.c                             \
                    ${MTK_PLAT_SOC}/plat_topology.c                       \
                    ${MTK_PLAT_SOC}/plat_sip_calls.c                      \
+                   ${MTK_PLAT_SOC}/drivers/apusys/mtk_apusys.c           \
                    ${MTK_PLAT_SOC}/drivers/dcm/mtk_dcm.c                 \
                    ${MTK_PLAT_SOC}/drivers/dcm/mtk_dcm_utils.c           \
                    ${MTK_PLAT_SOC}/drivers/devapc/devapc.c               \