ARM: dts: am57xx-cl-som-am57x: 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 <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-cl-som-am57x.dts

@@ -558,13 +558,13 @@ &mac {
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <0>;
+	phy-handle = <&ethphy0>;
 	phy-mode = "rgmii-txid";
 	dual_emac_res_vlan = <0>;
 };
 
 &cpsw_emac1 {
-	phy_id = <&davinci_mdio>, <1>;
+	phy-handle = <&ethphy1>;
 	phy-mode = "rgmii-txid";
 	dual_emac_res_vlan = <1>;
 };
@@ -573,6 +573,14 @@ &davinci_mdio {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&davinci_mdio_pins_default>;
 	pinctrl-1 = <&davinci_mdio_pins_sleep>;
+
+	ethphy0: ethernet-phy@0 {
+		reg = <0>;
+	};
+
+	ethphy1: ethernet-phy@1 {
+		reg = <1>;
+	};
 };
 
 &usb2_phy1 {