[POWERPC] bootwrapper: adds cuboot for MPC7448HPC2 platform

This patch adds cuboot support for MPC7448HPC2 platform.
The cuImage can be used with legacy u-boot without FDT support.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts
index 88cd37d..8fb5423 100644
--- a/arch/powerpc/boot/dts/mpc7448hpc2.dts
+++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts
@@ -78,6 +78,7 @@
 		};
 
 		ethernet@6200 {
+			linux,network-index = <0>;
 			#size-cells = <0>;
 			device_type = "network";
 			compatible = "tsi108-ethernet";
@@ -90,6 +91,7 @@
 		};
 
 		ethernet@6600 {
+			linux,network-index = <1>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			device_type = "network";
@@ -183,5 +185,8 @@
 			};
 		};
 	};
+	chosen {
+		linux,stdout-path = "/tsi108@c0000000/serial@7808";
+	};
 
 };