linux-gen: sched: ring based pktio command queues
linux-gen: sched: ring based pktio command queues

Implement scheduler pktio poll command queues with a ring
based data structure instead of odp_queue_t queues.

Also scheduler initialization and termination is
simplified as there is no more dependency to pool, buffer
and queue APIs.

Signed-off-by: Petri Savolainen <d528fd253b9aaf78fa72edbcc6249e82047f6ce6@nokia.com>
Reviewed-and-tested-by: Yi He <c1a82badb3a141270d3aafb5824369dd20d94ebb@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

dkrot/odp,erachmi/odp,ravineet-singh/odp,erachmi/odp,ravineet-singh/odp,nmorey/odp,dkrot/odp,mike-holmes-linaro/odp,ravineet-singh/odp,nmorey/odp,nmorey/odp,mike-holmes-linaro/odp,dkrot/odp,erachmi/odp,mike-holmes-linaro/odp,nmorey/odp,erachmi/odp,mike-holmes-linaro/odp,ravineet-singh/odp,dkrot/odp