arm64: zynqmp: Use ethernet-phy as node name for ethernet phys

Ethernet phys based on devicetree specification should be using
ethernet-phy@ node name instead of pure phy@.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts b/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts
index 8824f5c..bb6a94e 100644
--- a/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts
+++ b/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts
@@ -75,7 +75,7 @@
 	status = "okay";
 	phy-handle = <&phy0>;
 	phy-mode = "rgmii-id";
-	phy0: phy@0 {
+	phy0: ethernet-phy@0 {
 		reg = <0>;
 	};
 };