Update git submodules

* Update docs/submodules/domino from branch 'stable/danube'
  - Remove numbering in docs

    Change-Id: I76c8a089e84b8362cefa752c9abc20d4b0298805
    Signed-off-by: Ulas Kozat <ulas.kozat@gmail.com>
    (cherry picked from commit 64b4f3e3ca659762ebb9453d1128b61ef311f27a)

diff --git a/docs/submodules/domino b/docs/submodules/domino
index 6c80ac7..3f6aab6 160000 (submodule)
--- a/docs/submodules/domino
+++ b/docs/submodules/domino
@@ -1 +1 @@
-Subproject commit 6c80ac7ca497424ec867c86e43159b3e7f5800c0
+Subproject commit 3f6aab6fb3c9bfc07c317d1b4949dfa938eddc16