Update git submodules

* Update docs/submodules/releng from branch 'master'
  - xci: Set additional variables in CI test script

    We need the variables CI_LOOP, BUILD_TAG, and NODE_NAME
    passed to the deployment to display during functest execution.

    Change-Id: Ib6709678d760d43927d3cd9f606d2c7e74e724d0
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6f70831..80d776b 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 6f708314978187243424be89f4f6c0a1d14cb338
+Subproject commit 80d776b4c19bbc8ba48a5e15c7ee5d365cd238fe