Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove multisite support"
  - Remove multisite support

    JIRA: FUNCTEST-866

    Change-Id: I55a4416688b2aca0897910cac69b33e154e73095
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0e919a0..16b9a69 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0e919a00c9fa4827af77731fffb0fc5dccc1f16c
+Subproject commit 16b9a69410fd0aaa9a55b023997bb3872ee5907d