feat(mt8196): add APU power on/off functions

1. Add APU power on/off functions
2. Refine the APU power on/off interface for mt8188
3. Add dcm setup function to support mt8196

Change-Id: Ie1caca40f89de71caac037fabe7e7455ff2a1872
diff --git a/plat/mediatek/drivers/apusys/apusys.c b/plat/mediatek/drivers/apusys/apusys.c
index ee4fe5a..5eccb3c 100644
--- a/plat/mediatek/drivers/apusys/apusys.c
+++ b/plat/mediatek/drivers/apusys/apusys.c
@@ -30,10 +30,10 @@
 
 	switch (request_ops) {
 	case MTK_APUSYS_KERNEL_OP_APUSYS_PWR_TOP_ON:
-		ret = apusys_kernel_apusys_pwr_top_on();
+		ret = apusys_kernel_apusys_rv_pwr_ctrl(APU_PWR_ON);
 		break;
 	case MTK_APUSYS_KERNEL_OP_APUSYS_PWR_TOP_OFF:
-		ret = apusys_kernel_apusys_pwr_top_off();
+		ret = apusys_kernel_apusys_rv_pwr_ctrl(APU_PWR_OFF);
 		break;
 	case MTK_APUSYS_KERNEL_OP_APUSYS_RV_SETUP_REVISER:
 		ret = apusys_kernel_apusys_rv_setup_reviser();