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

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/trab/u-boot.lds b/board/trab/u-boot.lds
index 05b929f..cd50e85 100644
--- a/board/trab/u-boot.lds
+++ b/board/trab/u-boot.lds
@@ -32,7 +32,7 @@
 	. = ALIGN(4);
 	.text      :
 	{
-	  cpu/arm920t/start.o	(.text)
+	  arch/arm/cpu/arm920t/start.o	(.text)
 	  lib/zlib.o	(.text)
 	  lib/crc32.o	(.text)
 	  lib/string.o	(.text)