[POWERPC] FSL: I2C device tree cleanups

* Removed device_type = "i2c"
* Added missing second I2C controller on MPC8548 CDS, MPC8544 DS
* Added #address-cells, #size-cells, and cell-index where missing

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/dts/mpc8555cds.dts b/arch/powerpc/boot/dts/mpc8555cds.dts
index 57029cc..1e8bf46 100644
--- a/arch/powerpc/boot/dts/mpc8555cds.dts
+++ b/arch/powerpc/boot/dts/mpc8555cds.dts
@@ -63,7 +63,9 @@
 		};
 
 		i2c@3000 {
-			device_type = "i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <0>;
 			compatible = "fsl-i2c";
 			reg = <3000 100>;
 			interrupts = <2b 2>;