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

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/xes/xpedite5170/u-boot.lds b/board/xes/xpedite5170/u-boot.lds
index 7f04124..2f8730b 100644
--- a/board/xes/xpedite5170/u-boot.lds
+++ b/board/xes/xpedite5170/u-boot.lds
@@ -50,12 +50,12 @@
   .plt : { *(.plt) }
   .text      :
   {
-    cpu/mpc86xx/start.o	(.text)
-    cpu/mpc86xx/traps.o (.text)
-    cpu/mpc86xx/interrupts.o (.text)
-    cpu/mpc86xx/cpu_init.o (.text)
-    cpu/mpc86xx/cpu.o (.text)
-    cpu/mpc86xx/speed.o (.text)
+    arch/ppc/cpu/mpc86xx/start.o	(.text)
+    arch/ppc/cpu/mpc86xx/traps.o (.text)
+    arch/ppc/cpu/mpc86xx/interrupts.o (.text)
+    arch/ppc/cpu/mpc86xx/cpu_init.o (.text)
+    arch/ppc/cpu/mpc86xx/cpu.o (.text)
+    arch/ppc/cpu/mpc86xx/speed.o (.text)
     common/dlmalloc.o (.text)
     lib/crc32.o (.text)
     arch/ppc/lib/extable.o (.text)