mediatek: mt8192: supports mcusys off when system suspend

Change-Id: I0ea7f61085ea9ba26c580107ef0cb9940a25f5e2
diff --git a/plat/mediatek/mt8192/drivers/mcdi/mt_mcdi.c b/plat/mediatek/mt8192/drivers/mcdi/mt_mcdi.c
index df74122..1635b67 100644
--- a/plat/mediatek/mt8192/drivers/mcdi/mt_mcdi.c
+++ b/plat/mediatek/mt8192/drivers/mcdi/mt_mcdi.c
@@ -5,6 +5,7 @@
  */
 
 #include <cdefs.h>
+#include <common/debug.h>
 
 #include <lib/mmio.h>
 #include <lib/utils_def.h>
@@ -144,5 +145,7 @@
 		mcdi_init_status = MCDI_INIT_DONE;
 	}
 
+	INFO("mcdi ready for mcusys-off-idle and system suspend\n");
+
 	return (mcdi_init_status == MCDI_INIT_DONE) ? 0 : mcdi_init_status;
 }