ARM: dts: BCM5301X: Set switch ports for Linksys EA9200

This patch was developed as OpenWrt downstream change and was recently
confirmed to work as expected.

Tested-by: Rani Hod <rani.hod@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20231024072605.32517-1-zajec5@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Author: Rafał Miłecki

arch/arm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts

@@ -47,3 +47,41 @@
 &usb3_phy {
 	status = "okay";
 };
+
+&srab {
+	status = "okay";
+
+	ports {
+		port@0 {
+			label = "lan1";
+		};
+
+		port@1 {
+			label = "lan2";
+		};
+
+		port@2 {
+			label = "lan3";
+		};
+
+		port@3 {
+			label = "lan4";
+		};
+
+		port@4 {
+			label = "wan";
+		};
+
+		port@5 {
+			status = "disabled";
+		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			label = "cpu";
+		};
+	};
+};