Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - os-odl-bgpvpn scenario support

    - Integrate XCI with outband od-odl-bgpvpn role
    - Install python-neutronclient on opnfv vm for the
      openstack bgpvpn specific cli commands

    Change-Id: Ib737349e2b2429bd366881f1e3657daf8c5c30ac
    Signed-off-by: Periyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 3de0837..fa74516 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 3de083716e858bdb5e0f88e237afff9ff1bc37c6
+Subproject commit fa745164fdd4955cdd1c6af5164d83146575b14b