Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Merge "Add CentOS 7.4 support for OpenStack Pike"
  - Add CentOS 7.4 support for OpenStack Pike

    JIRA: COMPASS-565

    After this patch merged, compass can deploy OpenStack Pike on
    CentOS 7.4. Due to some upstream bugs, we add some fixes in
    this patch, e.g. add libvirt to os-cinder, remove a useless
    repo after installing

    Change-Id: Ibc1e6f1ed103daf2d70a8ae1d7c04f77d1545c41
    Signed-off-by: Yifei Xue <xueyifei@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 199d9e9..5fbadc0 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 199d9e9cc7aeee88c271f835dfb12433e8d10f85
+Subproject commit 5fbadc0b9b5d8726050906d0923abfe7ea5ce1c0