usb: gadget: code cleanup

Remove trailing whitespace
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/f_fs.c

@@ -2509,7 +2509,7 @@ static int _ffs_name_dev(struct ffs_dev *dev, const char *name)
 	existing = _ffs_find_dev(name);
 	if (existing)
 		return -EBUSY;
-	
+
 	dev->name = name;
 
 	return 0;