Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix the connect issue when checking deployment

    Socket.connect() requires only one param with type tuple.

    Change-Id: I63aa4633e80bde3ad5e1b5af9d67d8f46eb84571
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index c78fcde..5a77070 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit c78fcdeed0ed74661484082801f16c14586b75d4
+Subproject commit 5a77070ed767158017ceb8ea3c319af60c86b830