Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[stor4nfv] Enable voting for docs verify job"
  - [stor4nfv] Enable voting for docs verify job

    Change-Id: Iafcc1dfdf331cec67545abdb3bfc863312dea49f
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ca91aeb..d27adc8 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ca91aeb38454d0b85bfe01e08c911c858d11b82c
+Subproject commit d27adc818ed04e72ea86627c9ed6a6836d8324d8