Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/nios2-generic.h b/include/configs/nios2-generic.h
index b528f5a..3f34496 100644
--- a/include/configs/nios2-generic.h
+++ b/include/configs/nios2-generic.h
@@ -3,7 +3,7 @@
  * Scott McNutt <smcnutt@psyent.com>
  * (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __CONFIG_H