Update git submodules

* Update docs/submodules/fds from branch 'master'
  - Minor script fixes/improvements

    Change-Id: I9e8da01ff2d6a94bb1fb0f64dc660ec0a49f63b6
    Signed-off-by: juraj.linkes <jlinkes@cisco.com>

diff --git a/docs/submodules/fds b/docs/submodules/fds
index 89e5bbc..28fb647 160000 (submodule)
--- a/docs/submodules/fds
+++ b/docs/submodules/fds
@@ -1 +1 @@
-Subproject commit 89e5bbce4796b103084b6d5c7ad1e9329c6dd370
+Subproject commit 28fb6476b9fa8a7910c266e651eafcdc0d9f03cf