net: Do txq_trans_update() in netdev_start_xmit()

That way we don't have to audit every call site to make sure it is
doing this properly.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/wan/dlci.c
Simple merge

diff --cc include/linux/netdevice.h
Simple merge

diff --cc net/core/dev.c
Simple merge

diff --cc net/core/netpoll.c
Simple merge

diff --cc net/core/pktgen.c
Simple merge

diff --cc net/packet/af_packet.c
Simple merge

diff --cc net/sched/sch_teql.c
Simple merge