ARM: dts: kirkwood: set Guruplug ethernet PHY compatible

Ethernet PHY compatible shall be "ethernet-phy-ieee802.3-c22" and
"ethernet-phy-idAAAA.BBBB" if PHY OUI id is known. We know it for
the PHY found on Guruplug, so set it accordingly.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-15-git-send-email-sebastian.hesselbarth@gmail.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts

@@ -101,12 +101,16 @@ &mdio {
 	status = "okay";
 
 	ethphy0: ethernet-phy@0 {
-		compatible = "marvell,88e1121";
+		/* Marvell 88E1121R */
+		compatible = "ethernet-phy-id0141.0cb0",
+		             "ethernet-phy-ieee802.3-c22";
 		reg = <0>;
 	};
 
 	ethphy1: ethernet-phy@1 {
-		compatible = "marvell,88e1121";
+		/* Marvell 88E1121R */
+		compatible = "ethernet-phy-id0141.0cb0",
+		             "ethernet-phy-ieee802.3-c22";
 		reg = <1>;
 	};
 };