Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/openrisc/lib/bootm.c b/arch/openrisc/lib/bootm.c
index 3df4d9e..a18748f 100644
--- a/arch/openrisc/lib/bootm.c
+++ b/arch/openrisc/lib/bootm.c
@@ -8,7 +8,7 @@
  * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>