Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Add odl configurations for odl testcase in daisy environment"
  - Add odl configurations for odl testcase in daisy environment

    To support odl testcase in the environment deployed by daisy installer.

    Change-Id: I70bc668520cf28385fcff8489c773b880e7b4080
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6ac8b1f..f81e3d2 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6ac8b1f359a2d47eb66f1111c205ebccac314818
+Subproject commit f81e3d2cf3cf9b54f940a6e0ae0ea68db0e1f589