Add debian.single in root init

To have it an all the node add it in root init file

Change-Id: I842e87c263729218754ac79febf043b9b91a36d1
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/init.yml b/classes/cluster/virtual-mcp-ocata-ovs/init.yml
index aa01aec..ccef4f2 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/init.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/init.yml
@@ -6,6 +6,7 @@
 - system.linux.system.repo.mcp.extra
 - system.linux.system.single
 - system.rsyslog.client.single
+- system.linux.system.single.debian
 - system.prometheus.collector
 - system.telegraf.agent
 - system.openssh.server.team.lab