ARM: dts: am57xx-idk-common: get rid of phy_id property

The phy_id property is deprecated and phy-handle has to be used instead.

Signed-off-by: Grygorii Strashko <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/am57xx-idk-common.dtsi

···
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <0>;
+	phy-handle = <&ethphy0>;
 	phy-mode = "rgmii";
 	dual_emac_res_vlan = <1>;
 };
 
 &cpsw_emac1 {
-	phy_id = <&davinci_mdio>, <1>;
+	phy-handle = <&ethphy1>;
 	phy-mode = "rgmii";
 	dual_emac_res_vlan = <2>;
+};
+
+&davinci_mdio {
+	ethphy0: ethernet-phy@0 {
+		reg = <0>;
+	};
+
+	ethphy1: ethernet-phy@1 {
+		reg = <1>;
+	};
 };
 
 &usb2_phy1 {