Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Remove 'utils/test' Directory and update INFO"
  - Remove 'utils/test' Directory and update INFO

    utils/test has been migrated to the releng-testresults repo

    Change-Id: If14a30e6abed1424d1e00b0fae048b7d869ec99b
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index fd65ec9..174b299 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit fd65ec9e84ae025e6b903c403514405ba0bb0a61
+Subproject commit 174b299271189496bae4c4d6727ea26a7a098756