Update i386 code (sc520_cdp)

Attempt to bring i386 / sc520 inline with master

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/lib_i386/bootm.c b/lib_i386/bootm.c
index 522d7ad..613e339 100644
--- a/lib_i386/bootm.c
+++ b/lib_i386/bootm.c
@@ -34,7 +34,7 @@
 	void		*base_ptr;
 	ulong		os_data, os_len;
 	image_header_t	*hdr;
-	int		ret;
+
 #if defined(CONFIG_FIT)
 	const void	*data;
 	size_t		len;