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

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/Marvell/db64460/u-boot.lds b/board/Marvell/db64460/u-boot.lds
index d021331..6dff003 100644
--- a/board/Marvell/db64460/u-boot.lds
+++ b/board/Marvell/db64460/u-boot.lds
@@ -56,7 +56,7 @@
   .plt : { *(.plt) }
   .text      :
   {
-    cpu/74xx_7xx/start.o	(.text)
+    arch/ppc/cpu/74xx_7xx/start.o	(.text)
 
 /* store the environment in a seperate sector in the boot flash */
 /*    . = env_offset; */