Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Fraser 6.0.0 tag"
  - Fraser 6.0.0 tag

    I have tagged your repo for you at the head of the fraser branch

    Please let us know if this is correct.
    If I dont hear back from you I will merge this and tag your repo
    at this location

    Change-Id: I66541b703924018ca7d81a736a1af8767c100846
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 1091916..0694df1 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 1091916ce1e223d6b4d5ab1fa3c8e3d3c36e08f8
+Subproject commit 0694df186451525ff91546378b01405c0b15bbc0