netdev-offload-tc: Add recirculation support via tc chains

netdev-offload-tc: Add recirculation support via tc chains

Each recirculation id will create a tc chain, and we translate
the recirculation action to a tc goto chain action.

We check for kernel support for this by probing OvS Datapath for the
tc recirc id sharing feature. If supported, we can offload rules
that match on recirc_id, and recirculation action safely.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>