feat(mediatek): add APU watchdog timeout control

Add APU watchdog timeout control.

Change-Id: I21d65a88d20b6b2752a75f74487b5fe6596ebdf7
diff --git a/plat/mediatek/drivers/apusys/apusys.c b/plat/mediatek/drivers/apusys/apusys.c
index 58853ca..dfe1dcf 100644
--- a/plat/mediatek/drivers/apusys/apusys.c
+++ b/plat/mediatek/drivers/apusys/apusys.c
@@ -56,6 +56,18 @@
 	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_SETUP_SEC_MEM:
 		ret = apusys_kernel_apusys_rv_setup_sec_mem();
 		break;
+	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_DISABLE_WDT_ISR:
+		ret = apusys_kernel_apusys_rv_disable_wdt_isr();
+		break;
+	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_CLEAR_WDT_ISR:
+		ret = apusys_kernel_apusys_rv_clear_wdt_isr();
+		break;
+	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_CG_GATING:
+		ret = apusys_kernel_apusys_rv_cg_gating();
+		break;
+	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_CG_UNGATING:
+		ret = apusys_kernel_apusys_rv_cg_ungating();
+		break;
 	default:
 		ERROR(MODULE_TAG "%s unknown request_ops = %x\n", MODULE_TAG, request_ops);
 		break;