arm64: dts: mba8mx: Simplify DSI connection

With the DSI output label in place, use the phandle directly.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/mba8mx.dtsi

@@ -316,17 +316,11 @@ lvds_bridge_out: endpoint {
 &mipi_dsi {
 	samsung,burst-clock-frequency = <891000000>;
 	samsung,esc-clock-frequency = <20000000>;
+};
 
-	ports {
-		port@1 {
-			reg = <1>;
-
-			mipi_dsi_out: endpoint {
-				data-lanes = <1 2 3 4>;
-				remote-endpoint = <&lvds_bridge_in>;
-			};
-		};
-	};
+&mipi_dsi_out {
+	data-lanes = <1 2 3 4>;
+	remote-endpoint = <&lvds_bridge_in>;
 };
 
 &pwm3 {