Update git submodules

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

    API: /api/v1/functest/envs/action
    METHOD: POST
    PARAMS:
    {
        "action": "update_hosts",
        "args": {
                "identity.ac.dz.com": "8.20.11.22",
                "image.ac.dz.com": "8.20.11.22"
        }
    }

    JIRA: FUNCTEST-856

    Change-Id: Ifaf064110ade6e39189dd14b38c921d9e1c3568d
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 20f03e5..6e1245a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 20f03e5678f7eb2280d8a0c0ec37b18a00a92e3b
+Subproject commit 6e1245a7d19d62810fbe5ee1aab248a85fa2bc15