Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Connect sfc-odl scenario with xci

    Change-Id: I5a3f533f61b6572d8070fe5f0a306ef9d418ced8
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 56155e3..0c40c1d 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 56155e34ee8cd33792e26573c58abd51b9bfd290
+Subproject commit 0c40c1ddc2af665aef1f7fb29a6c44a847fe4c75