Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Merge "xci: get-opnfv-scenario-requirements: Fix stale scenario facts"
  - xci: get-opnfv-scenario-requirements: Fix stale scenario facts

    We always need to update the local facts for the scenario we are
    deploying in order to avoid deployments with stale data.

    Change-Id: I36298d2ebc1b813e95a2f213cd13649a0b4e04bf
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index e289f4d..299d438 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit e289f4dccc4df1a27b9f2d68e126ca946816b6bb
+Subproject commit 299d438ffbbb164d702f6cd525dc7fd74ea58f30