doc: Add COBALT QueueDisc to traffic-control model documentation
This patch adds the COBALT QueueDisc to traffic-control model documentation.
It looks like this change was missed during the addition of COBALT QueueDisc to the mainline.
This patch adds the COBALT QueueDisc to traffic-control model documentation.
It looks like this change was missed during the addition of COBALT QueueDisc to the mainline.