[POWERPC] 8xx: Fix wrapper platform for adder875, and combine defconf…

…igs.

This fixes the following bug:
http://ozlabs.org/pipermail/linuxppc-dev/2008-February/051979.html

Separate defconfigs are no longer needed now that CONFIG_DEVICE_TREE is gone.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/wrapper

@@ -191,10 +191,14 @@ ps3)
     ksection=.kernel:vmlinux.bin
     isection=.kernel:initrd
     ;;
-ep88xc|ep405|redboot*|ep8248e)
+ep88xc|ep405|ep8248e)
     platformo="$object/fixed-head.o $object/$platform.o"
     binary=y
     ;;
+adder875-redboot)
+    platformo="$object/fixed-head.o $object/redboot-8xx.o"
+    binary=y
+    ;;
 esac
 
 vmz="$tmpdir/`basename \"$kernel\"`.$ext"