Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 8d4ac88d87e4776999f13ef151658f1bb48c2bbf
  - Adjust security release notes according to the template
    
    Issue-ID: SECCOM-238
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: Id95d33400e1ef88ec051e280e7c850c9ec5e05ea
    (cherry picked from commit 7995eca6ba48a3129fd0c6f1b20b925e0b306999)
    
1 file changed