Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Merge "xci: scripts: vm: Retry when timer expires"
  - xci: scripts: vm: Retry when timer expires

    We should look again for active package managers when the timer expires
    to avoid locking issues.

    Change-Id: I88f0299a87befce17d11ba7581f0330979a25345
    Signed-off-by: Markos Chandras <mchandras@suse.de>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 33ad752..ecdf92e 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 33ad752a00662c9592d349d65e95c58ba1e59cd2
+Subproject commit ecdf92e8468656c8a4660498b75d30d914577f9d