Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to c2502f81cc07d6b6c619d334f7e81ea82e47223a
  - PeerBroadcastSocket sonar issues fix and code refactor
    
    Sonar issues fix and code refactor.
    Session data save moved to another method.
    Rest of code don't really do anything.
    
    Issue-ID: PORTAL-624
    Change-Id: I53b36377f2d2645d8c24ad2384959f0599e07303
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    
1 file changed