ARM: dts: st: spear: Use generic "ethernet" as node name

Common name for Ethernet controllers is "ethernet", not "eth", also
recommended by Devicetree specification in "Generic Names
Recommendation".  Verified lack of impact using dtx_diff.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20250717142245.92492-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: krzk

arch/arm/boot/dts/st/spear1310-evb.dts

@@ -159,7 +159,7 @@
 			};
 		};
 
-		gmac0: eth@e2000000 {
+		gmac0: ethernet@e2000000 {
 			phy-mode = "gmii";
 			status = "okay";
 		};

arch/arm/boot/dts/st/spear1310.dtsi

@@ -128,7 +128,7 @@
 			status = "disabled";
 		};
 
-		gmac1: eth@5c400000 {
+		gmac1: ethernet@5c400000 {
 			compatible = "st,spear600-gmac";
 			reg = <0x5c400000 0x8000>;
 			interrupts = <0 95 0x4>;
@@ -137,7 +137,7 @@
 			status = "disabled";
 		};
 
-		gmac2: eth@5c500000 {
+		gmac2: ethernet@5c500000 {
 			compatible = "st,spear600-gmac";
 			reg = <0x5c500000 0x8000>;
 			interrupts = <0 96 0x4>;
@@ -146,7 +146,7 @@
 			status = "disabled";
 		};
 
-		gmac3: eth@5c600000 {
+		gmac3: ethernet@5c600000 {
 			compatible = "st,spear600-gmac";
 			reg = <0x5c600000 0x8000>;
 			interrupts = <0 97 0x4>;
@@ -155,7 +155,7 @@
 			status = "disabled";
 		};
 
-		gmac4: eth@5c700000 {
+		gmac4: ethernet@5c700000 {
 			compatible = "st,spear600-gmac";
 			reg = <0x5c700000 0x8000>;
 			interrupts = <0 98 0x4>;

arch/arm/boot/dts/st/spear1340-evb.dts

@@ -157,7 +157,7 @@
 			};
 		};
 
-		gmac0: eth@e2000000 {
+		gmac0: ethernet@e2000000 {
 			phy-mode = "rgmii";
 			status = "okay";
 		};

arch/arm/boot/dts/st/spear13xx.dtsi

@@ -149,7 +149,7 @@
 			status = "disabled";
 		};
 
-		gmac0: eth@e2000000 {
+		gmac0: ethernet@e2000000 {
 			compatible = "st,spear600-gmac";
 			reg = <0xe2000000 0x8000>;
 			interrupts = <0 33 0x4>,

arch/arm/boot/dts/st/spear300-evb.dts

@@ -69,7 +69,7 @@
 			status = "okay";
 		};
 
-		gmac: eth@e0800000 {
+		gmac: ethernet@e0800000 {
 			status = "okay";
 		};
 

arch/arm/boot/dts/st/spear310-evb.dts

@@ -88,7 +88,7 @@
 			status = "okay";
 		};
 
-		gmac: eth@e0800000 {
+		gmac: ethernet@e0800000 {
 			status = "okay";
 		};
 

arch/arm/boot/dts/st/spear320-evb.dts

@@ -84,7 +84,7 @@
 			status = "okay";
 		};
 
-		gmac: eth@e0800000 {
+		gmac: ethernet@e0800000 {
 			status = "okay";
 		};
 

arch/arm/boot/dts/st/spear3xx.dtsi

@@ -46,7 +46,7 @@
 			status = "disabled";
 		};
 
-		gmac: eth@e0800000 {
+		gmac: ethernet@e0800000 {
 			compatible = "snps,dwmac-3.40a";
 			reg = <0xe0800000 0x8000>;
 			interrupts = <23 22>;