Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c
index 1a179be..65f45ea 100644
--- a/drivers/rtc/rs5c372.c
+++ b/drivers/rtc/rs5c372.c
@@ -16,7 +16,7 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation. 
+ * published by the Free Software Foundation.
  */
 
 #include <common.h>