Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/w7o/post2.c b/board/w7o/post2.c
index f16f9a1..76b6597 100644
--- a/board/w7o/post2.c
+++ b/board/w7o/post2.c
@@ -4,7 +4,7 @@
  *   and
  * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>