Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Syntax Check for jinja2 files"
  - Syntax Check for jinja2 files

    Just something basic, theres no real logic yet

    Change-Id: I37efa8ffbe44981100d6849120d0900b8fb9280c
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 52549ef..b887714 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 52549efc2cdb25baa9774641f3019dbc1494ecb6
+Subproject commit b887714ad1f9cb5248d2a4098e336c2cdd3f97a7