Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Fix gerrit comment"
  - Fix gerrit comment

    Change-Id: Id1340090fbf410f9eda5e115f554fee778d26b90
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 0bb0534..af98447 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 0bb0534e5aad8e7cd39698e8690693f68bcf5eba
+Subproject commit af98447e8f2faaa3cfc8a0aa9299092999976625