Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Get odl ip from env on Compass

    Change-Id: I9ed2cdeef461c27381ecdfd56e5347ded61b5cb8
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7e2fa19..3b5c306 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7e2fa1942daf7b276064ca6bd7a4fcc87de16578
+Subproject commit 3b5c3061ea9d03d124fa42d2e4f00cf26b06c535