Update git submodules

* Update tripleo-heat-templates from branch 'master'
  - Merge "L3 routed networks - subnet fixed_ips (3/3)"
  - L3 routed networks - subnet fixed_ips (3/3)
    
    When using neutron routed networks we need to specify
    either the subnet or a ip address in the fixed-ips-request
    when creating neutron ports.
    
    a) For the Vip's:
    
    Adds VipSubnetMap and VipSubnetMapDefaults parameters in
    service_net_map.yaml. The two maps are merged, so that the
    operator can override the subnet where VIP port should be
    hosted. For example:
    
    parameter_defaults:
      VipSubnetMap:
        ctlplane: ctlplane-leaf1
        InternalApi: internal_api_leaf1
        Storage: storage_leaf1
        redis: internal_api_leaf1
    
    b) For overcloud node ports:
    
    Enrich 'networks' in roles defenition to include both
    network and subnet data. Changes the list to a map
    instead of a list of strings. New schema:
    
    - name: <role_name>
      networks:
        <network_name>
          subnet: <subnet_name>
    
    For backward compatibility a conditional is used to check
    if the data is a map or not. In either case the internal
    list of role networks is created as '_role_networks' in
    the jinja2 templates.
    
    When the data is a map, and the map contains the 'subnet'
    key the subnet specified in roles_data.yaml is used as
    the subnet in the fixed-ips-reqest when ports are created.
    If subnet is not set (or role.networks is not a map) the
    default will be {{network.name_lower}}_subnet.
    
    Also, since the fixed_ips request passed to Vip ports are no
    longer [] by default, the conditinal has been updated to
    test for 'ip_address' entries in the request.
    
    Partial: blueprint tripleo-routed-networks-templates
    Depends-On: I773a38fd903fe287132151a4d178326a46890969
    Change-Id: I77edc82723d00bfece6752b5dd2c79137db93443

tripleo-heat-templates

@@ -1 +1 @@
-Subproject commit 6a81b393c918418e96e0c6dff2cc42fdd88f2278
+Subproject commit 0e68a0e30f5215e330ff386650a4d7d15742260b