Update git submodules

* Update docs/submodules/fds from branch 'stable/euphrates'
  - Added a license metadata line to specify Apache-2.0

    Change-Id: I4cdc07163d634c1138e3630a83795c329a365450
    Signed-off-by: rpaik <rpaik@linuxfoundation.org>
    (cherry picked from commit 13a7b3ceb0d1a2811cd07a7e1bf4763d2b00432d)

diff --git a/docs/submodules/fds b/docs/submodules/fds
index 79abfac..6670107 160000 (submodule)
--- a/docs/submodules/fds
+++ b/docs/submodules/fds
@@ -1 +1 @@
-Subproject commit 79abfac1134b046fb357b5fdcfcfede13993e44b
+Subproject commit 66701079e1a189f351767f2ff0d47a045d0660e3