mediatek: mt8192: supports mcusys off when system suspend

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Change-Id: I0ea7f61085ea9ba26c580107ef0cb9940a25f5e2
diff --git a/plat/mediatek/mt8192/platform.mk b/plat/mediatek/mt8192/platform.mk
index 9c9b233..e4994e6 100644
--- a/plat/mediatek/mt8192/platform.mk
+++ b/plat/mediatek/mt8192/platform.mk
@@ -63,6 +63,7 @@
                    ${MTK_PLAT_SOC}/drivers/gpio/mtgpio.c                 \
                    ${MTK_PLAT_SOC}/drivers/mcdi/mt_cpu_pm.c              \
                    ${MTK_PLAT_SOC}/drivers/mcdi/mt_cpu_pm_cpc.c          \
+                   ${MTK_PLAT_SOC}/drivers/mcdi/mt_lp_irqremain.c        \
                    ${MTK_PLAT_SOC}/drivers/mcdi/mt_mcdi.c                \
                    ${MTK_PLAT_SOC}/drivers/ptp3/mtk_ptp3_main.c          \
                    ${MTK_PLAT_SOC}/drivers/spmc/mtspmc.c                 \