Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 3b9b88c574fa0bc082af591f7fba9e4d30fcb55b
  - Merge "Adding list of docker images for ONAP"
  - Adding list of docker images for ONAP
    
    Adding initial list of docker images for Dublin ONAP deployment
    
    Issue-ID: OOM-1800
    
    Change-Id: I887ff6a5f8688fe9353d3562a9892606ae169072
    Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>
    
1 file changed