Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - xci: opnfv-scenario-requirements: Add openSUSE to k8-calico-nofeature

    openSUSE is supported in kubespray so we add it to the
    k8s-calico-nofeature scenario.

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

    Change-Id: I1ffa972b7bb1f949645bb585d2a8688cf4580342
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 25d3aed..f4a25c4 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 25d3aed071158fba3592768166c1e3edb7c80056
+Subproject commit f4a25c4463a32b3e8e529aeef942f778ef6467d8