common: Drop linux/stringify.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>

fs/ubifs/super.c

@@ -38,6 +38,7 @@
 #include <linux/err.h>
 #include "ubifs.h"
 #include <ubi_uboot.h>
+#include <linux/stringify.h>
 #include <mtd/ubi-user.h>
 
 struct dentry;