Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix some pylint errors in onos package"
  - Fix some pylint errors in onos package

    Directories affected:
     - functest/opnfv_tests/sdn/onos/

    JIRA: FUNCTEST-796

    Change-Id: Iffbb0e9a021d31a32d940128435a9f6ed43a504f
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index f9a3719..1047998 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit f9a37193d349217614e5953d5eae9cef4a287af1
+Subproject commit 1047998d21023c61d3a68ba11b97033f036293d1