Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - shabump: Bump SHA to make sfc scenario work

    sfc scenario fails when running the functest snaps-healthcheck.
    The reason is a race condition found in ODL Nitrogen.
    This race condition is gone in ODL Oxygen. We need latest ODL role
    to include the ODL Oxygen version

    Depends-On: I59802f467a77ae755886e4cc389c2406e9d17d4c
    deploy-scenario:os-odl-sfc
    installer-type:osa
    Change-Id: I6d575370834eabb1b6a0532f74e1b2fc733e500c
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index cc676e7..75df705 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit cc676e7c843603a6ea13a1c76be9990a459e79cf
+Subproject commit 75df705acd886a83a49692bf557f9bdda4c65a4f