Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 04f1008a9b898ff72b99c633604b9fd4e0dd05f3
  - Merge "barometer: Add job definition for barometer-collectd-experimental image"
  - barometer: Add job definition for barometer-collectd-experimental image

    barometer-collectd-experimental is based on 'master' collectd branch
    and contains experimental, not yet merged by community, pull
    requests.

    Change-Id: Iec5efdd409fbdb049fb19cc14406fdfee2a9966f
    Signed-off-by: Radoslaw Jablonski <radoslawx.jablonski@intel.com>