Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix KeyError of OS_AUTH_URL"
  - Fix KeyError of OS_AUTH_URL

    Change-Id: Iaaa657ebb8ed017429b640ffaaf03b6d204e887a
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9c8dbc5..0f32796 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9c8dbc5be69b856c45ba61c525e74a4826f6a5c7
+Subproject commit 0f32796cae2aec6f778758f377ca76ffac1c8215