Update git submodules

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

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

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

    Change-Id: I626e98beef220f724ae72329be42b959a03ce87b
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index f4a25c4..4cac3ad 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit f4a25c4463a32b3e8e529aeef942f778ef6467d8
+Subproject commit 4cac3ade71730cf08d3e80f8ae90297f264d26ca