ARM: dts: dm8148-evm: get rid of phy_id property

The phy_id property is deprecated and phy-handle has to be used instead.
Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/dm8148-evm.dts

@@ -27,15 +27,25 @@
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <0>;
+	phy-handle = <&ethphy0>;
 	phy-mode = "rgmii";
 };
 
 &cpsw_emac1 {
-	phy_id = <&davinci_mdio>, <1>;
+	phy-handle = <&ethphy1>;
 	phy-mode = "rgmii";
 };
 
+&davinci_mdio {
+	ethphy0: ethernet-phy@0 {
+		reg = <0>;
+	};
+
+	ethphy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &gpmc {
 	ranges = <0 0 0x04000000 0x01000000>;	/* CS0: 16MB for NAND */