Update git submodules

Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Add Energy recording support"
  - Add Energy recording support

    It adds helpers to send notifications to Energy recording API and
    related unit tests.
    It requires a dedicated section in functest config file
    to set connectivity parameters to Energy recording API.

    It is using shared API Recording at http://161.105.253.100:8888

    Change-Id: Idcb74d1bf7341ccce7cc1c3926f22338ce24f714
    Signed-off-by: Benoit HERARD <benoit.herard@orange.com>