Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "xci: Structure osa periodic jobs"
  - xci: Structure osa periodic jobs

    This job
    - updates osa periodic jobs to use multijob project type
    - adds pollscm trigger to prevent running job unnecessarily
    if there is no change in upstream osa

    The execute shell parts will be sent in separate change(s).

    Change-Id: I5f9b4cad04b245192171278e6bf2806c94369854
    Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 0d9eacc..2356471 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 0d9eacc92a6136a1669d8de37f69f5aee9636bd5
+Subproject commit 2356471ea955bea6e724fff354636f7963527963