Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "compass4nfv: Enable Euphrates jobs & triggers"
  - compass4nfv: Enable Euphrates jobs & triggers

    Change-Id: Ic5b88c7581879dbf0b72eaf6dbe3ad9c86b17f3c
    Signed-off-by: wutianwei <wutianwei1@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index be1c21b..2357e61 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit be1c21bcd0b841b367de3348fcd84f5872652a1b
+Subproject commit 2357e6104778168c23772705c2f23595191995ee