Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/sandbox/include/asm/byteorder.h b/arch/sandbox/include/asm/byteorder.h
index ca1cb81..ba3c164 100644
--- a/arch/sandbox/include/asm/byteorder.h
+++ b/arch/sandbox/include/asm/byteorder.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __ASM_SANDBOX_BYTEORDER_H