Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Fix python pkg issue

    1 add install pyyaml in build process
    2 fix python pkg version

    Change-Id: Icb40bd52aa6cd22874894047561acb9211abfa22
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 7107ed6..f0e6a73 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 7107ed60659e23863ffcd227600bf741489f24d8
+Subproject commit f0e6a736f8cc1f98e5f067b4e433f5af594e7c48