arm: dts: rockchip: enable dfi and dmc nodes for rk3288 rk818 edp board

Change-Id: I13d7de4810cc5d101db751f32afeaa3815a4727b
Signed-off-by: Tang Yun ping <typ@rock-chips.com>

Author: Tang Yun ping

arch/arm/boot/dts/rk3288-evb-rk818-edp.dts

@@ -84,6 +84,15 @@
 	cpu0-supply = <&vdd_cpu>;
 };
 
+&dfi {
+	status = "okay";
+};
+
+&dmc {
+	center-supply = <&vdd_logic>;
+	status = "okay";
+};
+
 &edp {
 	status = "okay";
 };