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/misc/atsha204a-i2c.c b/drivers/misc/atsha204a-i2c.c
index af65c55..52d9ead 100644
--- a/drivers/misc/atsha204a-i2c.c
+++ b/drivers/misc/atsha204a-i2c.c
@@ -339,7 +339,7 @@
 		retry--;
 		atsha204a_wakeup(dev);
 	} while (retry >= 0);
-	
+
 	if (res) {
 		debug("ATSHA204A read failed\n");
 		return res;