ppc: Move cpu/$CPU to arch/ppc/cpu/$CPU

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/fads/u-boot.lds b/board/fads/u-boot.lds
index ce3e32e..d6476cd 100644
--- a/board/fads/u-boot.lds
+++ b/board/fads/u-boot.lds
@@ -50,7 +50,7 @@
   .plt : { *(.plt) }
   .text      :
   {
-    cpu/mpc8xx/start.o		(.text)
+    arch/ppc/cpu/mpc8xx/start.o		(.text)
 
     /*. = DEFINED(env_offset) ? env_offset : .;*/
     common/env_embedded.o	(.ppcenv)