Update git submodules

* Update docs/submodules/container4nfv from branch 'master'
  - Merge "Fix onap aai deployment failure issue"
  - Fix onap aai deployment failure issue

    Change-Id: I3a2bf891d3910e395ea976c31454bd6556fc4a3a
    Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

diff --git a/docs/submodules/container4nfv b/docs/submodules/container4nfv
index ef144f2..b9d1b93 160000 (submodule)
--- a/docs/submodules/container4nfv
+++ b/docs/submodules/container4nfv
@@ -1 +1 @@
-Subproject commit ef144f2b55bc0c7edefb554a56a335da3223e4ab
+Subproject commit b9d1b93e3d04a80489071bed3149fb9eceac550a