Blackfin: unify gpio cfi implementations

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/cm-bf537u/cm-bf537u.c b/board/cm-bf537u/cm-bf537u.c
index 92fa5a0..4b7e864 100644
--- a/board/cm-bf537u/cm-bf537u.c
+++ b/board/cm-bf537u/cm-bf537u.c
@@ -13,7 +13,7 @@
 #include <netdev.h>
 #include <asm/blackfin.h>
 #include <asm/net.h>
-#include "gpio_cfi_flash.h"
+#include "../cm-bf537e/gpio_cfi_flash.h"
 
 DECLARE_GLOBAL_DATA_PTR;