s390/ctcm: fix typo "length to short" -> "length too short"

"packet length to short" -> "packet length too short"
Signed-off-by: NTong Zhang <ztong0001@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/s390/net/ctcm_fsms.c

@@ -1394,7 +1394,7 @@ static void ctcmpc_chx_rx(fsm_instance *fi, int event, void *arg)
 
 	if (len < TH_HEADER_LENGTH) {
 		CTCM_DBF_TEXT_(MPC_ERROR, CTC_DBF_ERROR,
-				"%s(%s): packet length %d to short",
+				"%s(%s): packet length %d too short",
 					CTCM_FUNTAIL, dev->name, len);
 		priv->stats.rx_dropped++;
 		priv->stats.rx_length_errors++;