ucc_geth: get rid of device_type for mdio

device_type property is bogus, thus use proper compatible.

Also change compatible property to "fsl,ucc-mdio".

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts
index 4d5cfd3..f6a8633 100644
--- a/arch/powerpc/boot/dts/mpc832x_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts
@@ -237,8 +237,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <3120 18>;
-			device_type = "mdio";
-			compatible = "ucc_geth_phy";
+			compatible = "fsl,ucc-mdio";
 
 			phy00:ethernet-phy@00 {
 				interrupt-parent = <&pic>;