Detect OpenStack guests on RDO based installs, Newton and newer. (#35452)

The product string (used as the DMI product name) changed from
"OpenStack Nova" to "OpenStack Compute" between Mitaka and Newton
in the OpenStack RDO packaging.

lib/ansible/module_utils/facts/virtual/linux.py

@@ -97,7 +97,7 @@ class LinuxVirtual(Virtual):
             virtual_facts['virtualization_role'] = 'guest'
             return virtual_facts
 
-        if product_name == 'OpenStack Nova':
+        if product_name in ['OpenStack Compute', 'OpenStack Nova']:
             virtual_facts['virtualization_type'] = 'openstack'
             virtual_facts['virtualization_role'] = 'guest'
             return virtual_facts