arm64: dts: rockchip: fix px30 lvds ports

The lvds controller has two ports. port@0 for the connection
to the display controller(s) and port@1 for the connection to
the panel, so should have a ports node covering the port@x nodes.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20200121222055.4068166-1-heiko@sntech.de

arch/arm64/boot/dts/rockchip/px30.dtsi

@@ -413,14 +413,16 @@ io_domains: io-domains {
 
 		lvds: lvds {
 			compatible = "rockchip,px30-lvds";
-			#address-cells = <1>;
-			#size-cells = <0>;
 			phys = <&dsi_dphy>;
 			phy-names = "dphy";
 			rockchip,grf = <&grf>;
 			rockchip,output = "lvds";
 			status = "disabled";
 
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
 				port@0 {
 					reg = <0>;
 					#address-cells = <1>;
@@ -438,6 +440,7 @@ lvds_vopl_in: endpoint@1 {
 				};
 			};
 		};
+	};
 
 	uart1: serial@ff158000 {
 		compatible = "rockchip,px30-uart", "snps,dw-apb-uart";