Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Merge "xci: kubespray: Use bootstrap role for k8s deployments"
  - xci: kubespray: Use bootstrap role for k8s deployments

    The bootstrap role configures NTP and networking on hosts so we
    should use it on k8s deployments as well.

    installer-type:kubespray
    deploy-scenario:k8-nosdn-nofeature

    Change-Id: I04bd1e1c2c325baabfb836bd8cca60c5f59344c7
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index e081553..9d9d9a4 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit e081553a506a57d238bb3f1691abcae46175f99a
+Subproject commit 9d9d9a4d6031fe795b8d3dbd71250f676a4180d4