mediatek: mt8192: add sys_cirq driver

1.add sys_cirq driver
2.add gic api for cirq

Change-Id: Ie6802d6ddcf7dde3412a050736dfdc85f97cb51b
diff --git a/plat/mediatek/mt8192/platform.mk b/plat/mediatek/mt8192/platform.mk
index 0d732d5..071700e 100644
--- a/plat/mediatek/mt8192/platform.mk
+++ b/plat/mediatek/mt8192/platform.mk
@@ -36,6 +36,7 @@
                    ${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}/drivers/gpio/mtgpio.c