Update git submodules

* Update docs/submodules/releng from branch 'master'
  - xci: Cat functest log until the log upload is enabled

    Change-Id: I883e6e29cf102d1069e3760ab95dd24d76d0a222
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index d53f5e2..9bf2281 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit d53f5e2ed32a1d61e74aa70cdca44f882d4b5e7f
+Subproject commit 9bf228149a971b798078001bcbf269620ccc6a4a