Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/KUP4X.h b/include/configs/KUP4X.h
index 6da07e7..748c834 100644
--- a/include/configs/KUP4X.h
+++ b/include/configs/KUP4X.h
@@ -3,7 +3,7 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*