Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Bugfix: Add case_name as constructor arg for snaps_smoke

    JIRA: FUNCTEST-791

    When running snaps_smoke, it complains " __init__() got
    an unexpected keyword argument 'case_name'"

    Change-Id: I4a59828ba735ba14a286d000d1d061be14878d1c
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7c79dd7..cd1ee7d 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7c79dd75b519ac22483de76b4433a9923da68ef6
+Subproject commit cd1ee7d9bf639a7e2aa47f58317b9f93b73f5458