6lowpan: Don't set IFF_NO_QUEUE

There is no point in setting IFF_NO_QUEUE should already have taken
care of setting it if tx_queue_len is not set, in fact this may
actually disable queue for interfaces that require it and do set
tx_queue_len.

Signed-off-by: Luiz Augusto von Dentz <[e-mail]>
Acked-by: Jukka Rissanen <[e-mail]>
Signed-off-by: Marcel Holtmann <[e-mail]>

net/6lowpan/core.c

···
 
 	dev->type = ARPHRD_6LOWPAN;
 	dev->mtu = IPV6_MIN_MTU;
-	dev->priv_flags |= IFF_NO_QUEUE;
 
 	lowpan_dev(dev)->lltype = lltype;