arm64: dts: rockchip: enable rk_rga for 3326/px30 board

Change-Id: I5f98d63b2073c037a41d367639c19a962dbf79c4
Signed-off-by: Weixin Zhou <zwx@rock-chips.com>

arch/arm64/boot/dts/rockchip/px30-evb-ddr3-v10.dts

@@ -316,6 +316,10 @@
 	status = "okay";
 };
 
+&rk_rga {
+	status = "okay";
+};
+
 &route_dsi {
 	status = "okay";
 };

arch/arm64/boot/dts/rockchip/px30-evb-ddr4-v10.dts

@@ -331,6 +331,10 @@
 	status = "okay";
 };
 
+&rk_rga {
+	status = "okay";
+};
+
 &route_dsi {
 	status = "okay";
 };

arch/arm64/boot/dts/rockchip/rk3326-863-lp3-v10.dts

@@ -241,6 +241,10 @@
 	};
 };
 
+&rk_rga {
+	status = "okay";
+};
+
 &route_dsi {
 	status = "okay";
 };

arch/arm64/boot/dts/rockchip/rk3326-evb-lp3-v10.dts

@@ -400,6 +400,10 @@
 	status = "okay";
 };
 
+&rk_rga {
+	status = "okay";
+};
+
 &route_lvds {
 	status = "disabled";
 };