[POWERPC] bootwrapper: Add 8xx cuboot support

This allows booting on legacy, non-device-tree aware versions of U-boot.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 643bee2..86eb4cf 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -36,6 +36,7 @@
 	bool "Freescale 8xx"
 	select FSL_SOC
 	select 8xx
+	select WANT_DEVICE_TREE
 
 config 40x
 	bool "AMCC 40x"