Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/arm/cpu/arm946es/cpu.c b/arch/arm/cpu/arm946es/cpu.c
index aa499cc..0c8d92d 100644
--- a/arch/arm/cpu/arm946es/cpu.c
+++ b/arch/arm/cpu/arm946es/cpu.c
@@ -6,7 +6,7 @@
  * (C) Copyright 2002
  * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*