WS cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mtd/nand/raw/nand_util.c b/drivers/mtd/nand/raw/nand_util.c
index 5cc256b..d03b864 100644
--- a/drivers/mtd/nand/raw/nand_util.c
+++ b/drivers/mtd/nand/raw/nand_util.c
@@ -189,7 +189,7 @@
 
 #define NAND_CMD_LOCK_TIGHT     0x2c
 #define NAND_CMD_LOCK_STATUS    0x7a
- 
+
 /******************************************************************************
  * Support for locking / unlocking operations of some NAND devices
  *****************************************************************************/