MT#58547 voip_peer_host change relation to lcr_gw

* relation to lcr_gw is now by foreign.id instead of foreign.flags,
  that is to reflect the change that provisioning.voip_peer_hosts.id
  and kamailio.lcr_gw.id is now equal and lcr_gw.flags no longer holds
  the voip_peer_hosts id reference

Change-Id: Iec28e4f29468420917a4bb5d7f9d44409ea6a5c5
(cherry picked from commit 19e3bd6698)

lib/NGCP/Schema/Result/voip_peer_hosts.pm

@@ -70,7 +70,7 @@ __PACKAGE__->has_many(
 __PACKAGE__->might_have(
   "lcr_gw",
   "NGCP::Schema::Result::lcr_gw",
-  { "foreign.flags" => "self.id" },
+  { "foreign.id" => "self.id" },
 );
 
 sub TO_JSON {