Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/ASH405.h b/include/configs/ASH405.h
index 54de966..a93d0c1 100644
--- a/include/configs/ASH405.h
+++ b/include/configs/ASH405.h
@@ -2,7 +2,7 @@
  * (C) Copyright 2001-2003
  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*