Updates Hyper-V neutron-hyperv-agent.conf firewall_driver
Updates Hyper-V neutron-hyperv-agent.conf firewall_driver

The old HyperVSecurityGroupsDriver firewall_driver path was deprecated and it is going to be removed soon.
cloudbase/hyperv-compute-ci,rbuzatu90/hyperv-compute-ci,cloudbase/hyperv-compute-ci,rbuzatu90/hyperv-compute-ci