Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Fix Releng Job Diff Experimental Check"
  - Fix Releng Job Diff Experimental Check

    Remove the '-q' arument to git-branch in the generate-job-diff script
    as the git version on Jenkins master is too old.

    Change-Id: I869a9713e75604600adf3ee8b8b96386ad4a8ff0
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e958d2e..36f65f1 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e958d2e2a7a2f92e5227d2c3e3c73a050fca72a9
+Subproject commit 36f65f1cc4edaa754014a435944ed1cab0b3d80b