Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Merge "Update notes when OpenStack installaion complete"
  - Update notes when OpenStack installaion complete

    JIRA:-

    Change-Id: Ie007baa4bbfb3f6860101b0e720315047c497c0d
    Signed-off-by: chigang <chigang@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 24fe6f1..ef7fcad 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 24fe6f126656a1dd059cd895b595aa3437d70398
+Subproject commit ef7fcad91a146edf21a5a6600f7ec4067f844fbc