arm: Include asm/setup.h explictly

Include this header where needed so we do not need to rely on common.h.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/compulab/common/common.c b/board/compulab/common/common.c
index b25d9a2..bf2ac7b 100644
--- a/board/compulab/common/common.c
+++ b/board/compulab/common/common.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <asm/bootm.h>
 #include <asm/gpio.h>
+#include <asm/setup.h>
 
 #include "common.h"
 #include "eeprom.h"