Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Record the test cases passed in tempest"
  - Record the test cases passed in tempest

    Also, convert the test cases recorded with string into list

    Change-Id: Ie3980a555b4042e6fe9706320d33d4ec4c06ea0c
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 5412952..7bd30cd 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 5412952848260b4cc83d455db4681daf9e37b657
+Subproject commit 7bd30cdc1e6d506bf1245daeb9d01530eab15674