mediatek: correct address of MT753x switch IC

Continuation of commit 8b66f1a. Set the switch address on the MDIO bus to 31.
This is required for all boards currently working with the mt7530 DSA driver.

Fixes: #15419
Signed-off-by: Mieczyslaw Nalewaj <[email protected]>

target/linux/mediatek/dts/mt7622-netgear-wax206.dts

@@ -143,13 +143,13 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch@0 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
+			reg = <31>;
 			#interrupt-cells = <1>;
 			interrupt-controller;
 			interrupt-parent = <&pio>;
 			interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
-			reg = <0>;
 			reset-gpios = <&pio 54 GPIO_ACTIVE_HIGH>;
 
 			ports {

target/linux/mediatek/dts/mt7623a-unielec-u7623-02.dtsi

@@ -121,17 +121,16 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		mt7530: switch@0 {
-			compatible = "mediatek,mt7530";
+		mt7530: switch@1f {
 		};
 	};
 };
 
 &mt7530 {
 	compatible = "mediatek,mt7530";
+	reg = <31>;
 	#address-cells = <1>;
 	#size-cells = <0>;
-	reg = <0>;
 	pinctrl-names = "default";
 	mediatek,mcm;
 	resets = <&ethsys 2>;