Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index c56fdd7..6742dbc 100644
--- a/include/configs/cpuat91.h
+++ b/include/configs/cpuat91.h
@@ -4,7 +4,7 @@
  *
  * Configuration settings for the CPUAT91 board.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _CONFIG_CPUAT91_H