Include ovs_driver and sriov_driver classes in base neutron profile

This classes are needed to configure things related to the
sriov or ovs mechanism drivers on neutron server like e.g.
vnic_type_blacklist.

Depends-On: https://review.opendev.org/757747/

Change-Id: Ia014cb098591a28ddfcd8b3dff536fa2337d23a8
(cherry picked from commit 3f2171acbd)

manifests/profile/base/neutron/plugins/ml2.pp

@@ -55,6 +55,14 @@ class tripleo::profile::base::neutron::plugins::ml2 (
   if $step >= 4 or ( $step >= 3 and $sync_db ) {
     include ::neutron::plugins::ml2
 
+    if 'openvswitch' in $mechanism_drivers {
+      include ::neutron::plugins::ml2::ovs_driver
+    }
+
+    if 'sriovnicswitch' in $mechanism_drivers {
+      include ::neutron::plugins::ml2::sriov_driver
+    }
+
     if 'cisco_n1kv' in $mechanism_drivers {
       include ::tripleo::profile::base::neutron::n1k
     }