qualcommax: ipq60xx: add missing dp6 node to ESS dtsi

Without this wan port on Linksys MR7350 is not functioning.

Signed-off-by: Vladyslav Andreichykov <[email protected]>

target/linux/qualcommax/files/arch/arm64/boot/dts/qcom/ipq6018-ess.dtsi

@@ -501,6 +501,17 @@
 		reg = <0x0 0x3a001800 0x0 0x200>;
 		qcom,mactype = <0>;
 		local-mac-address = [000000000000];
+		phy-mode = "psgmii";
+		status = "disabled";
+	};
+
+	dp6: dp6 {
+		device_type = "network";
+		compatible = "qcom,nss-dp";
+		qcom,id = <6>;
+		reg = <0x0 0x3a001a00 0x0 0x200>;
+		qcom,mactype = <0>;
+		local-mac-address = [000000000000];
 		phy-mode = "sgmii";
 		status = "disabled";
 	};