Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to e12e26b1256873ef831ef1d3844cb9bec60a6640
  - Upgrade stagging version for SO to 1.4.0
    
    Issue-ID: SO-1419
    
    Change-Id: I91f0d87aa58d0e90adaaadd3e076ede5b4487047
    Signed-off-by: mrichomme <morgan.richomme@orange.com>
    
1 file changed