Update git submodules

* Update docs/submodules/compass4nfv from branch 'stable/euphrates'
  - Merge "Add the description for Barometer scenario" into stable/euphrates
  - Add the description for Barometer scenario

    JIRA: -

    Add Barometer scenario to Euphrates release notes.
    Add DPDK scenario to Euphrates release notes.
    Add KVM scenario to Euphrates release notes.

    Change-Id: I26818ed6b2cc801f5a34774088c8bd0a3c702c60
    Signed-off-by: Yifei Xue <xueyifei@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index b24a991..61e6ccc 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit b24a99127a0a6085d2a458325dcddbd7b3fff915
+Subproject commit 61e6ccc97bbf6950197e56a6baebd5e8386f4118