virtio: remove control queue support from virtio_show() for tap/tun
virtio: remove control queue support from virtio_show() for tap/tun

Type: fix

Tap/Tun interfaces do not have control queue.
This patch removes the support of control queue
from virtio_show() which is used by show tap/tun cli.

Change-Id: Ib89144ad488ed548fb1ce50ee232a1b8659ccf29
Signed-off-by: Mohsin Kazmi <3be96aed1fe21f963e790909e1d3a8e57ce776f2@cisco.com>

chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp