Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[Compass4nfv] run centos in intel-pod17"
  - [Compass4nfv] run centos in intel-pod17

    Change-Id: Ifbe959d178781c14a9d32db78d84972d2505c8dc
    Signed-off-by: wutianwei <wutianwei1@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index f924c2d..6675b41 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit f924c2d6265466f01a3a30c7ea810f728514b000
+Subproject commit 6675b4103a2399d5120494308aab5b8ef82091d2