Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - xci: playbooks: Fix conditional for scenario/flavor fact

    We need to use proper jinja2 code to set the fact properly.

    Change-Id: I903233c0e059edf2af973ea9c08b8bd80795e1a9
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 8662864..1b238dd 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 8662864a166d9e89ba8058c871526b3ad94aae21
+Subproject commit 1b238dde764f68404489b21245e0b1494cb06e8e