remove trailing whitespace

Change-Id: Ib91889a374515d36a2b12b53aeb12b6ea6e22732
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/364
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/util/cbfstool/cbfs-mkstage.c b/util/cbfstool/cbfs-mkstage.c
index c9163ef..6b80a37 100644
--- a/util/cbfstool/cbfs-mkstage.c
+++ b/util/cbfstool/cbfs-mkstage.c
@@ -36,7 +36,7 @@
 	return x;
 }
 
-/* This is a wrapper around the swab32() macro to make it 
+/* This is a wrapper around the swab32() macro to make it
  * usable for the current implementation of parse_elf_to_stage()
  */
 static unsigned int swap32(unsigned int x)