[A62][DTS] Enable rgmii-id for gigabit ethernet

arch/arm/dts/seco-imx6qdl-a62.dtsi

@@ -542,7 +542,7 @@ B5 01
 &fec {
 	pinctrl-names        = "default";
 	pinctrl-0            = <&pinctrl_enet>;
-	phy-mode             = "rgmii";
+	phy-mode             = "rgmii-id";
 	phy-supply           = <&reg_phy_pwr>;
 	phy-reset-gpios      = <&gpio3 23 GPIO_ACTIVE_LOW>;
 	phy-handle           = <&ethphy6>;