Update git submodules

* Update docs/submodules/compass4nfv from branch 'stable/euphrates'
  - Update testresult link to Euphrates in release notes.

    JIRA: -

    Change-Id: If9f8bcd5774060bb3cbee30a0cff1e1b9031f822
    Signed-off-by: chigang <chigang@huawei.com>
    (cherry picked from commit 145d0ff2367a58b40e39970e3cb253c52af05c01)

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 856a88f..466732f 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 856a88f6529d695ad8c3eec845a4b3856f316be9
+Subproject commit 466732f9477b9ad208761651290c6c046ba5f690