ARM: dts: gemini: rename mdio to the right name

ethernet-phy is not the right name for mdio, fix it.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/gemini-dlink-dns-313.dts

@@ -140,7 +140,7 @@ map1 {
 		};
 	};
 
-	mdio0: ethernet-phy {
+	mdio0: mdio {
 		compatible = "virtual,mdio-gpio";
 		/* Uses MDC and MDIO */
 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */

arch/arm/boot/dts/gemini-nas4220b.dts

@@ -62,7 +62,7 @@ led-green-os {
 		};
 	};
 
-	mdio0: ethernet-phy {
+	mdio0: mdio {
 		compatible = "virtual,mdio-gpio";
 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
 			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */

arch/arm/boot/dts/gemini-rut1xx.dts

@@ -56,7 +56,7 @@ led-power {
 		};
 	};
 
-	mdio0: ethernet-phy {
+	mdio0: mdio {
 		compatible = "virtual,mdio-gpio";
 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
 			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */

arch/arm/boot/dts/gemini-wbd111.dts

@@ -68,7 +68,7 @@ led-greeb-l3 {
 		};
 	};
 
-	mdio0: ethernet-phy {
+	mdio0: mdio {
 		compatible = "virtual,mdio-gpio";
 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
 			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */

arch/arm/boot/dts/gemini-wbd222.dts

@@ -67,7 +67,7 @@ led-green-l3 {
 		};
 	};
 
-	mdio0: ethernet-phy {
+	mdio0: mdio {
 		compatible = "virtual,mdio-gpio";
 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
 			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */