Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Allow check and verify as CI_LOOP values

    It's required by the new promotion model [1].

    [1] https://gerrit.opnfv.org/gerrit/#/c/54501/

    Change-Id: Ie12aae1c24e05a61b2afd5bbf92a97f2c71fd395
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b20211a..d74e441 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b20211aedd531e0d4875fde9e618c25faa8721e8
+Subproject commit d74e44111256bdb3779a66b3bf9c073bdb081d02