Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Obtain pod_name by CONST instead of get function"
  - Obtain pod_name by CONST instead of get function

    JIRA: FUNCTEST-763

    Change-Id: Id334745a1eac8b933d77f9cb36a506a02366d760
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index f793114..ad44bfd 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit f793114a359467deb494770c05689c87b1007707
+Subproject commit ad44bfd97555a7372269db539857fd53fffb0460