[WSGI] Move all OVN jobs to use WSGI API module (1)

NOTE: This is the first patch of many to migrate the ML2/OVN jobs
in this repository.

Jobs migrated:
* neutron-tempest-plugin-ovn
* neutron-tempest-plugin-ovn-enforce-scope-old-defaults

Related-Bug: #2069581
Related-Bug: #2069831
Topic: eventlet-deprecation
Change-Id: I86a3fc753292ae10e88102347d32db75c48ab865
diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index 1876da2..1f1d0ff 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -460,6 +460,7 @@
     vars:
       devstack_localrc:
         NEUTRON_ENFORCE_SCOPE: false
+        NEUTRON_DEPLOY_MOD_WSGI: true
 
 - job:
     name: neutron-tempest-plugin-openvswitch-distributed-dhcp
@@ -644,6 +645,7 @@
         OVN_DBS_LOG_LEVEL: dbg
         ENABLE_TLS: True
         OVN_IGMP_SNOOPING_ENABLE: True
+        NEUTRON_DEPLOY_MOD_WSGI: true
       devstack_services:
         br-ex-tcpdump: true
         br-int-flows: true