[NET]: Improve cache line coherency of ingress qdisc

Move the ingress qdisc members of struct net_device from the transmit
cache line to the receive cache line to avoid cache line ping-pong.
These members are only used on the receive path.

Signed-off-by: Neil Turton <nturton@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>