usb: gadget: uvc: remove an impossible condition

"num" is a u32 so "(num > 0xFFFFFFFF)" is never true.  Also the range
is already checked in kstrtou32().
Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/function/uvc_configfs.c

@@ -1156,8 +1156,6 @@ static inline int __uvcg_fill_frm_intrv(char *buf, void *priv)
 	ret = kstrtou32(buf, 0, &num);
 	if (ret)
 		return ret;
-	if (num > 0xFFFFFFFF)
-		return -EINVAL;
 
 	interv = priv;
 	**interv = cpu_to_le32(num);