mediatek: mt8195: initialize GIC

MT8192 GIC driver can be shared with MT8195. Move GIC driver to common
and do the initialization.

Signed-off-by: christine.zhu <christine.zhu@mediatek.corp-partner.google.com>
Change-Id: I63f3e668b5ca6df8bcf17b5cd4d53fa84f330fed
diff --git a/plat/mediatek/mt8192/platform.mk b/plat/mediatek/mt8192/platform.mk
index e45f649..109dac0 100644
--- a/plat/mediatek/mt8192/platform.mk
+++ b/plat/mediatek/mt8192/platform.mk
@@ -8,7 +8,8 @@
 MTK_PLAT_SOC  := ${MTK_PLAT}/${PLAT}
 
 PLAT_INCLUDES := -I${MTK_PLAT}/common/                            \
-                 -I${MTK_PLAT}/common/drivers/uart/                \
+                 -I${MTK_PLAT}/common/drivers/gic600/             \
+                 -I${MTK_PLAT}/common/drivers/uart/               \
                  -I${MTK_PLAT}/common/lpm/                        \
                  -I${MTK_PLAT_SOC}/include/                       \
                  -I${MTK_PLAT_SOC}/drivers/                       \
@@ -40,6 +41,7 @@
                    lib/cpus/aarch64/cortex_a55.S                         \
                    lib/cpus/aarch64/cortex_a76.S                         \
                    plat/common/plat_gicv3.c                              \
+                   ${MTK_PLAT}/common/drivers/gic600/mt_gic_v3.c         \
                    ${MTK_PLAT}/common/drivers/pmic_wrap/pmic_wrap_init_v2.c \
                    ${MTK_PLAT}/common/drivers/rtc/rtc_common.c           \
                    ${MTK_PLAT}/common/drivers/uart/uart.c                \
@@ -54,7 +56,6 @@
                    ${MTK_PLAT_SOC}/drivers/rtc/rtc.c                     \
                    ${MTK_PLAT_SOC}/plat_pm.c                             \
                    ${MTK_PLAT_SOC}/plat_topology.c                       \
-                   ${MTK_PLAT_SOC}/plat_mt_gic.c                         \
                    ${MTK_PLAT_SOC}/plat_mt_cirq.c                        \
                    ${MTK_PLAT_SOC}/plat_sip_calls.c                      \
                    ${MTK_PLAT_SOC}/drivers/dcm/mtk_dcm.c                 \