Update git submodules

* Update docs/submodules/compass4nfv from branch 'stable/fraser'
  - Specify netmask for install NIC

    JIRA: COMPASS-599

    Interface that be used as install NIC may
    have uncertain netmask which may cause
    network issue.

    Change-Id: Ic10709ca82a0d16af614ac327160f97a654d2294
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
    (cherry picked from commit da8ccfe3c89726673ff6c3d2a967fd670d40b6fd)

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 579f918..c8e9084 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 579f918a8a8cef7024dcfa8774bb7933adfd30be
+Subproject commit c8e9084e0108a72c3e46f6638f16056f39203537