Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/vexpress_ca9x4.h b/include/configs/vexpress_ca9x4.h
index 2c08caa..38ac4ed 100644
--- a/include/configs/vexpress_ca9x4.h
+++ b/include/configs/vexpress_ca9x4.h
@@ -5,7 +5,7 @@
  * Configuration for Versatile Express. Parts were derived from other ARM
  *   configurations.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __VEXPRESS_CA9X4_H