Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c
index 8a1e22e..35fa0bb 100644
--- a/drivers/input/i8042.c
+++ b/drivers/input/i8042.c
@@ -2,7 +2,7 @@
  * (C) Copyright 2002 ELTEC Elektronik AG
  * Frank Gottschling <fgottschling@eltec.de>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* i8042.c - Intel 8042 keyboard driver routines */