NFP - Add port security extension

[Ashutosh Mishra]

Add port_security extension in ml2_conf for NFP.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/431350
Committed: https://git.openstack.org/cgit/openstack/group-based-policy/commit/?id=b92ea87db56e713d3e75c665159c3fb567d0068f
Submitter: Jenkins
Branch: master

commit b92ea87db56e713d3e75c665159c3fb567d0068f
Author: ashu_mishra <email address hidden>
Date: Thu Feb 9 12:42:15 2017 +0530

    NFP - Fixes to resolve NFP gate failures

    Resolved following issues :
    1) Added port security extension while configuring neutron for NFP,
    2) Corrected polling time calculation in nfp_node_driver,
    3) Explicitly making a dhcp request whenever service vm comes up,
    4) Corrected svc_management group creation, to use different l3 policy
    for gate tests.

    Change-Id: I2e88103c174ce864f618c0eb4e0202dcb500a4fa
    Closes-Bug: 1663134

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/438021

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/438021
Committed: https://git.openstack.org/cgit/openstack/group-based-policy/commit/?id=082f7953b3563706bf4715b36a1bf1ba9eb5426a
Submitter: Jenkins
Branch: stable/mitaka

commit 082f7953b3563706bf4715b36a1bf1ba9eb5426a
Author: ashu_mishra <email address hidden>
Date: Thu Feb 9 12:42:15 2017 +0530

    NFP - Fixes to resolve NFP gate failures

    Resolved following issues :
    1) Added port security extension while configuring neutron for NFP,
    2) Corrected polling time calculation in nfp_node_driver,
    3) Explicitly making a dhcp request whenever service vm comes up,
    4) Corrected svc_management group creation, to use different l3 policy
    for gate tests.

    Change-Id: I2e88103c174ce864f618c0eb4e0202dcb500a4fa
    Closes-Bug: 1663134
    (cherry picked from commit b92ea87db56e713d3e75c665159c3fb567d0068f)