ARM: dts: imx53-cx9020: Group port definitions for the dvi-converter

Group the port definitions of the dvi-converter in a 'ports' node to
make it compliant with the ti,tfp410 binding.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx53-cx9020.dts

@@ -59,23 +59,26 @@ dvi_connector_in: endpoint {
 	};
 
 	dvi-converter {
-		#address-cells = <1>;
-		#size-cells = <0>;
 		compatible = "ti,tfp410";
 
-		port@0 {
-			reg = <0>;
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
 
-			tfp410_in: endpoint {
-				remote-endpoint = <&display0_out>;
+				tfp410_in: endpoint {
+					remote-endpoint = <&display0_out>;
+				};
 			};
-		};
 
-		port@1 {
-			reg = <1>;
+			port@1 {
+				reg = <1>;
 
-			tfp410_out: endpoint {
-				remote-endpoint = <&dvi_connector_in>;
+				tfp410_out: endpoint {
+					remote-endpoint = <&dvi_connector_in>;
+				};
 			};
 		};
 	};