Add auditd reclass into virtual-mcp-pike models

Change-Id: I27fa26ac70329477d949d9115acfbc5e87fc2721
Related-Bug: https://mirantis.jira.com/browse/PROD-20861
diff --git a/classes/cluster/virtual-mcp-pike-ovs/.env b/classes/cluster/virtual-mcp-pike-ovs/.env
index 147f964..006f9e8 100644
--- a/classes/cluster/virtual-mcp-pike-ovs/.env
+++ b/classes/cluster/virtual-mcp-pike-ovs/.env
@@ -1 +1 @@
-FORMULAS_SALT_MASTER+=(fluentd git grafana linux nginx ntp openssh prometheus reclass rsyslog salt sphinx telegraf backupninja logrotate)
+FORMULAS_SALT_MASTER+=(fluentd git grafana linux nginx ntp openssh prometheus reclass rsyslog salt sphinx telegraf backupninja logrotate auditd)