ICMP TTL expired to trunk_migration

The same template should be in both `iptrunk` and `iptrunk_migration`
roles.

geant/gap_ansible/roles/iptrunk_migration/templates/nokia/trunk_interface.j2

@@ -70,6 +70,13 @@
               <ip-mtu>9000</ip-mtu>
               <port>{{ new_side.ae_name | lower }}</port>
               <ipv4>
+                  <icmp>
+                      <ttl-expired>
+                          <admin-state>enable</admin-state>
+                          <number>{{ icmp_ttl_expired.number }}</number>
+                          <seconds>{{ icmp_ttl_expired.seconds }}</seconds>
+                      </ttl-expired>
+                  </icmp>
                   <primary>
                       <address>{{(new_ipv4_address| split('/'))[0]}}</address>
                       <prefix-length>{{(new_ipv4_address| split('/'))[1]}}</prefix-length>