Update git submodules

* Update docs/submodules/promise from branch 'master'
  - Update run_promise_tests.py related to new Functest config values.

    JIRA: PROMISE-85

    Change-Id: Ib015f859ca1d5cc9ad0852db1ee915274c29140a
    Signed-off-by: Gerald Kunzmann <kunzmann@docomolab-euro.com>
    Signed-off-by: Bertrand Souville <souville@docomolab-euro.com>

diff --git a/docs/submodules/promise b/docs/submodules/promise
index 7f1118a..7b6754d 160000 (submodule)
--- a/docs/submodules/promise
+++ b/docs/submodules/promise
@@ -1 +1 @@
-Subproject commit 7f1118aef74d920044abe054c54a1a0703e32c4a
+Subproject commit 7b6754dfa40dbfae8dc062d405e2200883f7acdc