Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to e97570dca9ddbfbb253f7c5b4f073b2dab071974
  - Update Docker Image Number
    
    Issue-ID: PORTAL-557
    
    
    Change-Id: I1e828f922f23a7d04e6fdeff2265e0260b308b87
    Signed-off-by: statta<statta@research.att.com>
    
1 file changed