Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "patch don't verify in centos In master branch, compass4nfv don't support centos. it is needless to verify in centos."
  - patch don't verify in centos
    In master branch, compass4nfv don't support centos.
    it is needless to verify in centos.

    Change-Id: I0d7797ca4c057d2422a9bde5d684577a32854e33
    Signed-off-by: wutianwei <wutianwei1@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b92d1c4..1d595e4 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b92d1c4499c0e5bdc01d54cb7c6c80a9af281132
+Subproject commit 1d595e455c0afc2e006bbf3bbf05c550790f8d31