Update git submodules

* Update docs/submodules/compass4nfv from branch 'stable/euphrates'
  - Modify the network and DHA files

    Due to pod2 virtual3 and virtual4 run danube before,
    we need to change the network and DHA to run euphrates

    Change-Id: I720138cb960cc6f3a57bf5f777c0debb80f64eba
    Signed-off-by: wutianwei <wutianwei1@huawei.com>
    (cherry picked from commit f70d3aa8ffe7878e86b8f12c91c99018924a74b3)

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 6905f82..1cc2e21 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 6905f82c89d8d9825494bb10959d61e5f7053451
+Subproject commit 1cc2e21facebbb240860429659e2137fe37f5266