Update git submodules

* Update docs/submodules/policy/engine.git from branch 'elalto'
  to 1f40708ff4e0b2a413e5eb69e2f75a28f2832df5
  - bump poms to 1.5.4-SNAPSHOT
    
    Issue-ID: POLICY-2475
    Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
    Change-Id: I6976c620b59fa213b702eeda9e3677cb53d6e8f6
    
1 file changed