Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to b81a56ad46ad2278c1b88dee42a872de8a4447a1
  - add uuid image override
    
    Issue-ID: INT-1599
    Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
    Change-Id: I6b5f14c6abf594d7947d08939476358cf16f35e8
    
1 file changed