Update git submodules

* Update docs/submodules/fds from branch 'stable/euphrates'
  - DVR documentation updates

    Added detailed description
    Updated picture describing basic scenario
    Updated deployment instructions

    Change-Id: Ie89ebc9b489a1317c6d1f4d2f78a5fc38f776e39
    Signed-off-by: juraj.linkes <jlinkes@cisco.com>
    (cherry picked from commit 0f75e4cc82c5c1c7b5f5b2e675fc4ef7066f4635)

diff --git a/docs/submodules/fds b/docs/submodules/fds
index 32a97a1..199c7ea 160000 (submodule)
--- a/docs/submodules/fds
+++ b/docs/submodules/fds
@@ -1 +1 @@
-Subproject commit 32a97a1bab7b0ba8e1d00704030bb6925fc74293
+Subproject commit 199c7ea22eafc71c10b77c44c19e965b0f874a2b