Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Create API to run a test case"
  - Create API to run a test case

    Two APIs are created here:
    1. Run a test case
    2. Get the result of the task id

    JIRA: FUNCTEST-853

    Change-Id: I12950933b143b82fb6aeb186ea1b35ddd16e6097
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index f9fc2c1..2cfa22a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit f9fc2c1df0c6293df3f7c5e413a8aab643a4177a
+Subproject commit 2cfa22a0d0aa86cee5d77707c2f06ef3c4434a14