net/mlx5: fix spelling mistake: "modfiy" -> "modify"

Trivial fix to spelling mistake in netdev_warn warning message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c

@@ -565,7 +565,7 @@ static void arfs_modify_rule_rq(struct mlx5e_priv *priv,
 	err =  mlx5_modify_rule_destination(rule, &dst, NULL);
 	if (err)
 		netdev_warn(priv->netdev,
-			    "Failed to modfiy aRFS rule destination to rq=%d\n", rxq);
+			    "Failed to modify aRFS rule destination to rq=%d\n", rxq);
 }
 
 static void arfs_handle_work(struct work_struct *work)