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

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/lpc2292sodimm/flash.c b/board/lpc2292sodimm/flash.c
index a7e175d..fd5389f 100644
--- a/board/lpc2292sodimm/flash.c
+++ b/board/lpc2292sodimm/flash.c
@@ -1,7 +1,7 @@
 /*
  * (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
  *
- * Modified to use the routines in cpu/arm720t/lpc2292/flash.c by
+ * Modified to use the routines in arch/arm/cpu/arm720t/lpc2292/flash.c by
  * Gary Jennejohn <garyj@denx,de>
  *
  * This program is free software; you can redistribute it and/or