dt-bindings: net: dsa: remove label = "cpu" from examples

This is not used by the DSA dt-binding, so remove it from all examples.

Signed-off-by: Vladimir Oltean <[e-mail]>
Reviewed-by: Florian Fainelli <[e-mail]>
Acked-by: Arınç ÜNAL <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

Documentation/devicetree/bindings/net/dsa/ar9331.txt

···
 
 				switch_port0: port@0 {
 					reg = <0x0>;
-					label = "cpu";
 					ethernet = <&eth1>;
 
 					phy-mode = "gmii";

Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml

···
                 };
                 ethernet-port@3 {
                     reg = <3>;
-                    label = "cpu";
                     ethernet = <&fec1>;
                     phy-mode = "rgmii-id";
 

Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml

···
 
                 port@8 {
                     reg = <8>;
-                    label = "cpu";
                     phy-mode = "rgmii-txid";
                     ethernet = <&eth0>;
                     fixed-link {
···
 
                 port@8 {
                     ethernet = <&amac2>;
-                    label = "cpu";
                     reg = <8>;
                     phy-mode = "internal";
 

Documentation/devicetree/bindings/net/dsa/hirschmann,hellcreek.yaml

···
 
                 port@0 {
                     reg = <0>;
-                    label = "cpu";
                     ethernet = <&gmac0>;
                     phy-mode = "mii";
 

Documentation/devicetree/bindings/net/dsa/lan9303.txt

···
 
 			port@0 { /* RMII fixed link to master */
 				reg = <0>;
-				label = "cpu";
 				ethernet = <&master>;
 			};
 
···
 
 					port@0 {
 						reg = <0>;
-						label = "cpu";
 						ethernet = <&master>;
 					};
 

Documentation/devicetree/bindings/net/dsa/lantiq-gswip.txt

···
 
 		port@6 {
 			reg = <0x6>;
-			label = "cpu";
 			ethernet = <&eth0>;
 		};
 	};

Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml

···
 
                 port@6 {
                     reg = <6>;
-                    label = "cpu";
                     ethernet = <&gmac0>;
                     phy-mode = "rgmii";
 
···
 
                 port@6 {
                     reg = <6>;
-                    label = "cpu";
                     ethernet = <&gmac0>;
                     phy-mode = "trgmii";
 
···
 
                 port@6 {
                     reg = <6>;
-                    label = "cpu";
                     ethernet = <&gmac0>;
                     phy-mode = "2500base-x";
 
···
 
                 port@6 {
                     reg = <6>;
-                    label = "cpu";
                     ethernet = <&gmac0>;
                     phy-mode = "trgmii";
 
···
 
                     port@6 {
                         reg = <6>;
-                        label = "cpu";
                         ethernet = <&gmac0>;
                         phy-mode = "trgmii";
 
···
 
                     port@6 {
                         reg = <6>;
-                        label = "cpu";
                         ethernet = <&gmac0>;
                         phy-mode = "trgmii";
 
···
 
                     port@6 {
                         reg = <6>;
-                        label = "cpu";
                         ethernet = <&gmac0>;
                         phy-mode = "trgmii";
 

Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml

···
                 };
                 port@5 {
                     reg = <5>;
-                    label = "cpu";
                     ethernet = <&eth0>;
                     phy-mode = "rgmii";
 
···
                 };
                 port@6 {
                     reg = <6>;
-                    label = "cpu";
                     ethernet = <&eth0>;
                     phy-mode = "rgmii";
 

Documentation/devicetree/bindings/net/dsa/qca8k.yaml

···
 
                 port@0 {
                     reg = <0>;
-                    label = "cpu";
                     ethernet = <&gmac1>;
                     phy-mode = "rgmii";
 
···
 
                 port@0 {
                     reg = <0>;
-                    label = "cpu";
                     ethernet = <&gmac1>;
                     phy-mode = "rgmii";
 
···
 
                 port@6 {
                     reg = <0>;
-                    label = "cpu";
                     ethernet = <&gmac1>;
                     phy-mode = "sgmii";
 

Documentation/devicetree/bindings/net/dsa/realtek.yaml

···
                             };
                             port@5 {
                                     reg = <5>;
-                                    label = "cpu";
                                     ethernet = <&gmac0>;
                                     phy-mode = "rgmii";
                                     fixed-link {
···
                             };
                             port@6 {
                                     reg = <6>;
-                                    label = "cpu";
                                     ethernet = <&fec1>;
                                     phy-mode = "rgmii";
                                     tx-internal-delay-ps = <2000>;

Documentation/devicetree/bindings/net/dsa/renesas,rzn1-a5psw.yaml

···
             port@4 {
                 reg = <4>;
                 ethernet = <&gmac2>;
-                label = "cpu";
                 phy-mode = "internal";
 
                 fixed-link {

Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.txt

···
 		};
 		vsc: port@6 {
 			reg = <6>;
-			label = "cpu";
 			ethernet = <&gmac1>;
 			phy-mode = "rgmii";
 			fixed-link {
···
 		};
 		vsc: port@6 {
 			reg = <6>;
-			label = "cpu";
 			ethernet = <&enet0>;
 			phy-mode = "rgmii";
 			fixed-link {