Update git submodules

* Update docs/submodules/releng from branch 'master'
  - xci: Do not fail the job if virsh command fails

    Change-Id: Ie5fae322f98ec6c9c2236486642c0d71c6a04aae
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a9ae888..a801536 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a9ae88883f0a2957be88d59a3cb1b767bca70bec
+Subproject commit a801536f334b859e6165f2788c363af704e459ba