ath79: remove useless phy-handle nodes

phy-handle is used to poll link status. They are useless when
we need fixed-link on these interfaces.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>

target/linux/ath79/dts/ar9132_tl-wr1043nd-v1.dts

@@ -76,16 +76,7 @@
 
 		resets = <&rst 8>;
 		reset-names = "switch";
-
-		mdio-bus {
-			status = "okay";
-
-			phy0: ethernet-phy@0 {
-				reg = <0>;
-			};
-		};
-        };
-
+	};
 };
 
 &uart {
@@ -154,7 +145,6 @@
 	resets = <&rst 9>;
 	reset-names = "mac";
 
-	phy-handle = <&phy0>;
 	fixed-link {
 		speed = <1000>;
 		full-duplex;

target/linux/ath79/dts/qca9558_tl-wr1043nd.dtsi

@@ -154,14 +154,6 @@
 	};
 };
 
-&mdio1 {
-	status = "okay";
-
-	phy1: ethernet-phy@1 {
-		reg = <1>;
-	};
-};
-
 &eth0 {
 	status = "okay";
 
@@ -174,7 +166,6 @@
 	status = "okay";
 
 	mtd-mac-address = <&uboot 0x1fc00>;
-	phy-handle = <&phy1>;
 
 	fixed-link {
 		speed = <1000>;