[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/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
index b039f21..dc0efaf 100644
--- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts
+++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
@@ -69,7 +69,9 @@
 		bus-frequency = <0>;
 
 		i2c@3000 {
-			device_type = "i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <0>;
 			compatible = "fsl-i2c";
 			reg = <3000 100>;
 			interrupts = <2b 2>;
@@ -78,7 +80,9 @@
 		};
 
 		i2c@3100 {
-			device_type = "i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			cell-index = <1>;
 			compatible = "fsl-i2c";
 			reg = <3100 100>;
 			interrupts = <2b 2>;