Update git submodules
* Update docs/submodules/compass4nfv from branch 'master'
- Support multiple physnet mapping
JIRA: COMPASS-559
1. support multiple mapping in provider_net_mappings
of network.yml and create corresponding ovs bridges
2. support seperate config in sys_intf_mappings
of network.yml
3. remove linux bridges in compute nodes for ovs
port binding convenience
4. support openstack vlan tenant network
5. modify odl and odl_sfc roles to use configurable
provider mapping
6. remove some hard coding
Change-Id: Ib57484ce60d029f89c647fd5baf2c7af37c85d0b
Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>