Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Update Automation Job Repo to releng-testresults"
  - Update Automation Job Repo to releng-testresults

    Switches the jjb/releng/automate jobs to use the releng-testresults
    repository now that files under utils/test have been migrated.

    Assumes shell and python scripts required for the job are now located
    in the releng-testresults repo under ./ci/

    Change-Id: I1f036d9d8abd988477e18b2f2efd8f80d550a61c
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b314f03..3dda830 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b314f036cc89c9266a40383483ce5682ce4b0eff
+Subproject commit 3dda8300a72a04c5630939d5ae16ac4fc5d2d6ec