Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Add releng repo to security check"
  - Add releng repo to security check

    some formatting changes to shell script

    Change-Id: I301cb4b385df81a81de5ba230c5a4709461703a3
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 8d9872c..e322400 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 8d9872ca78b2352b30c38c763d5e0c4eed3b4522
+Subproject commit e322400772bccaebb82053d4f1e58db037ec2242