Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/common/env_ubi.c b/common/env_ubi.c
index f24a96c..c0828a4 100644
--- a/common/env_ubi.c
+++ b/common/env_ubi.c
@@ -2,7 +2,7 @@
  * (c) Copyright 2012 by National Instruments,
  *        Joe Hershberger <joe.hershberger@ni.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>