Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/tools/imximage.c b/tools/imximage.c
index 32e4efe..511e3f2 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -6,7 +6,7 @@
  * Marvell Semiconductor <www.marvell.com>
  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include "mkimage.h"