Update git submodules

* Update docs/submodules/compass4nfv from branch 'stable/danube'
  - Merge "FIX compass-core vm panic issue" into stable/danube
  - FIX compass-core vm panic issue

    JIRA: -

    Update compass-core vm cpu mode in libvirt xml to let
    compass-core vm support most instruction set that host support.

    Change-Id: I654672f441c18e0da87509d3c492ceae2bf9ba95
    Signed-off-by: QiLiang <liangqi1@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 4b9d8de..96fb77c 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 4b9d8defe21dd645a8580120eaa7901fe9a2d3dc
+Subproject commit 96fb77cd1cc38086e21780a7886880055dacc847