[POWERPC] mpc8349: Add linux,network-index to ethernet nodes in device tree

cuImage needs to know the logical index of the ethernet devices in order
to assign mac addresses.  This adds the needed properties.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
CC: Scott Wood <scottwood@freescale.com>
CC: Kumar Gala <galak@kernel.crashing.org>
CC: Timur Tabi <timur@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
index fa852ba..36a2760 100644
--- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
@@ -114,6 +114,7 @@
 			interrupts = <20 8 21 8 22 8>;
 			interrupt-parent = < &ipic >;
 			phy-handle = < &phy1c >;
+			linux,network-index = <0>;
 		};
 
 		serial@4500 {