Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Add option to choose deploy tool

    JIRA: COMPASS-596

    There may be different kinds of deploy
    tools that be supported in future release
    of compass. Using option DEPLOY_TOOL to
    choose a deploy tool thus specify which
    compass-tasks will be brought up

    Change-Id: I92b69ebad412e70ccd28ef864fb485e485705dc9
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 3ede18e..39d0f4c 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 3ede18e758c77b31e56ca9164dbeb8e06b0223b5
+Subproject commit 39d0f4c45d616f8c5bce7ca8db900a66705f439b