Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/tools/ublimage.h b/tools/ublimage.h
index b7318e9..32cc582 100644
--- a/tools/ublimage.h
+++ b/tools/ublimage.h
@@ -6,7 +6,7 @@
  * (C) Copyright 2009
  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _UBLIMAGE_H_