Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Create API to update openrc"
  - Create API to update openrc

    API: /api/v1/functest/openstack/action
    METHOD: POST
    PARAMS:
    {
        "action": "update_openrc",
        "args": {
             "openrc": {
                 "OS_AUTH_URL": "http://192.168.30.222:5000/v3",
                 "OS_IDENTITY_API_VERSION": "3",
                 "OS_IMAGE_API_VERSION": "2",
                 "OS_PASSWORD": "console",
                 "OS_PROJECT_DOMAIN_NAME": "default",
                 "OS_PROJECT_NAME": "admin",
                 "OS_TENANT_NAME": "admin",
                 "OS_USERNAME": "admin",
                 "OS_USER_DOMAIN_NAME": "default"
             }
        }
    }

    JIRA: FUNCTEST-855

    Change-Id: I7c935483c264f2b1b47239684392c8a37dc23d26
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 2cfa22a..9515e36 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 2cfa22a0d0aa86cee5d77707c2f06ef3c4434a14
+Subproject commit 9515e36a056ad7f16f39564ae2eeca955054997d