Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/disk/part_iso.c b/disk/part_iso.c
index 80c1d95..2547c70 100644
--- a/disk/part_iso.c
+++ b/disk/part_iso.c
@@ -2,7 +2,7 @@
  * (C) Copyright 2001
  * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>