Enable DNS servers with OVS port intefaces

The template for ovs_port in linux formula do not
have nameservers option so the server become without
any nameservers configuration.

Add parameter for name servers to ovs_port type
interface template.

PROD-31606

Change-Id: If44c7ca3f12069ecd5f68069ce89fa9eb3ee42b9
diff --git a/tests/pillar/network_openvswitch.sls b/tests/pillar/network_openvswitch.sls
index 80c482a..dae30e7 100644
--- a/tests/pillar/network_openvswitch.sls
+++ b/tests/pillar/network_openvswitch.sls
@@ -48,3 +48,25 @@
         type: ovs_port
         ovs_bridge: br-ens0
         bridge: br-ens0
+      ens6:
+        enabled: true
+        proto: manual
+        type: eth
+        ovs_bridge: br-ctl
+      br-ctl:
+        enabled: true
+        type: ovs_bridge
+      internal-br-ctl-port:
+        enabled: true
+        proto: static
+        address: 10.10.0.10
+        netmask: 255.255.255.0
+        name_servers:
+        - 8.8.8.8
+        - 172.172.172.172
+        name: port-br-ctl
+        bridge: br-ctl
+        ovs_type: ovs_port
+        type: ovs_port
+        port_type: internal
+        mtu: 65000