carl9170: fix usb anchor wait timeout

usb_wait_anchor_empty_timeout's @timeout
wants milliseconds and not jiffies.

Signed-off-by: Christian Lamparter <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/ath/carl9170/usb.c

···
 		usb_free_urb(urb);
 	}
 
-	ret = usb_wait_anchor_empty_timeout(&ar->tx_cmd, HZ);
+	ret = usb_wait_anchor_empty_timeout(&ar->tx_cmd, 1000);
 	if (ret == 0)
 		err = -ETIMEDOUT;
 
 	/* lets wait a while until the tx - queues are dried out */
-	ret = usb_wait_anchor_empty_timeout(&ar->tx_anch, HZ);
+	ret = usb_wait_anchor_empty_timeout(&ar->tx_anch, 1000);
 	if (ret == 0)
 		err = -ETIMEDOUT;