Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Fix Yamllint Violations for jjb/joid"
  - Fix Yamllint Violations for jjb/joid

    JIRA: RELENG-254

    Change-Id: Ib7a7db3dc0d463bae6fc159a7c0ade7be51f4e1b
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a8e3451..b940fc3 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a8e3451b433586b477fbe2eb939848bf97a430f4
+Subproject commit b940fc31faca2ba08a1cfc62911802edd06abd9f