mediatek: mt8192: supports mcusys off when system suspend

Change-Id: I0ea7f61085ea9ba26c580107ef0cb9940a25f5e2
diff --git a/plat/mediatek/mt8192/include/plat_mtk_lpm.h b/plat/mediatek/mt8192/include/plat_mtk_lpm.h
index 8ba8b93..deaac97 100644
--- a/plat/mediatek/mt8192/include/plat_mtk_lpm.h
+++ b/plat/mediatek/mt8192/include/plat_mtk_lpm.h
@@ -10,7 +10,7 @@
 #include <lib/psci/psci.h>
 #include <lib/utils_def.h>
 
-#define MT_IRQ_REMAIN_MAX	U(8)
+#define MT_IRQ_REMAIN_MAX	U(32)
 #define MT_IRQ_REMAIN_CAT_LOG	BIT(31)
 
 struct mt_irqremain {