[OVN][Octavia] Fix the functional CI jobs

[Rodolfo Alonso]

Fix the functional tests in "ovn-octavia-provider". Since [1], the variable to enable the OVS compilation is "Q_BUILD_OVS_FROM_GIT".

[1]https://review.opendev.org/c/openstack/devstack/+/799621

[Mamatisa Nurmatov (isabek)]

Proposed fix:
https://review.opendev.org/c/openstack/ovn-octavia-provider/+/826323

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/ovn-octavia-provider/+/826323
Committed: https://opendev.org/openstack/ovn-octavia-provider/commit/a4ec59288aa7116c9aff99b91b192cda3021bb6a
Submitter: "Zuul (22348)"
Branch: master

commit a4ec59288aa7116c9aff99b91b192cda3021bb6a
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Tue Jan 18 16:56:31 2022 +0000

    [FT] Enable OVS and OVN compilation from source

    Enable OVS and OVN compilation from source in functional testing
    CI jobs.

    This patch uses the new variable defined in [1]:
    "Q_BUILD_OVS_FROM_GIT".

    [1]https://review.opendev.org/c/openstack/devstack/+/799621

    Closes-Bug: #1959028
    Change-Id: Ie42255d2f06563b1890eb70f87e0213b731eb581

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/ovn-octavia-provider 2.0.0.0rc1 release candidate.