Update git submodules

* Update docs/submodules/releng from branch 'master'
  - fixed syntax errors in zte pods, change labconfig name

    Change-Id: I2d0e6c1199fe3ac2841923abdabd19c239b2b5f8
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6769ae9..9377677 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 6769ae9bcbf61dc079c42ee5ebfafcaaf9fd708a
+Subproject commit 9377677a9b06f01a6f4b3c4298d2424997b4070c