Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Modify scenario and network files for odl

    JIRA: COMPASS-604

    1. sepcify using odl_l3_agent in cluster_param
    2. set physnet mapping to use external-nic for odl

    Change-Id: I70fd327f13d4b4b32da01f0722739dc971fb9fb9
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index b2e6652..b71da8d 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit b2e6652fe13ee557e0d7a107e3bb426a9214a102
+Subproject commit b71da8d8ace9e4b84b11750c5eef9fd10a479dae