Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Merge "xci: kubespray: Use the common tasks to manage the SSH keys"
  - xci: kubespray: Use the common tasks to manage the SSH keys

    Drop the kubespray specific tasks for managing the SSH keys in favor of
    the common ones.

    Change-Id: Ib8e18fcc14c4c0126cae72740dbb33921a21af6b
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index aba4eb9..07bf24c 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit aba4eb9ee9683c2270f7dbb755f3f9145ed2fc19
+Subproject commit 07bf24c6dbd37b09f1f9cd8e1dd7f46bf6bd7fff