Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "container4nfv: update arm64 cni deployment jobs"
  - container4nfv: update arm64 cni deployment jobs

    - add vhost-vpp test
    - deploy k8s only once for all cni deployment tests

    Change-Id: I0d3966b15dc7f23713b5729bb7617b0c46e0ac83
    Signed-off-by: Yibo Cai <yibo.cai@arm.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b59416c..0092b1d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b59416c7bc7227204ad855a94875cafc6455abce
+Subproject commit 0092b1db959df080e80900318c0f4318f3b23e5a