Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Integrating Functest Patrole test case

    Adding the new Patrole test case of Functest to Dovetail and to the
    proposed_tests test suite.

    JIRA: DOVETAIL-649

    Change-Id: I2c3f583cdbd3af75cec020b0fe97f287d23498a5
    Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 67de424..5c6f12a 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 67de42416576c952ec0d6a159a0d57fc4cabc414
+Subproject commit 5c6f12ac2324be2cd61bdd365045e6e94417c418