Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c
index 04b70f6..603bf14 100644
--- a/arch/arm/lib/interrupts.c
+++ b/arch/arm/lib/interrupts.c
@@ -16,7 +16,7 @@
  * (C) Copyright 2004
  * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>