Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/w7o/errors.h b/board/w7o/errors.h
index dfb4558..05540fb 100644
--- a/board/w7o/errors.h
+++ b/board/w7o/errors.h
@@ -2,7 +2,7 @@
  * (C) Copyright 2001
  * Bill Hunter, Wave 7 Optics, william.hunter@mediaone.net
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef _ERRORS_H_
 #define _ERRORS_H_