Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 82b2cb2c60ac4eb9eada3289285e65a17fb1ba5a
  - Merge "Fix Gitlab RTD Template Triggering on Changes"
  - Fix Gitlab RTD Template Triggering on Changes

    This needs to be a double-splat in order to trigger on changes in
    subdirectories as well.

    Change-Id: I7c51a01f0e04d3280584ad1e4736633667ce939f
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 281fa60..82b2cb2 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 281fa6024f7f9182baa194b561d5a26a9aef817a
+Subproject commit 82b2cb2c60ac4eb9eada3289285e65a17fb1ba5a