Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 6a9580d025114106e82fc49da895bbc857a3e91b
  - ONAPWelcomeController sonar issue fix
    
    String viewName and getter/setter can be romoved from his class.
    ONAPWelcomeController Overrides this field 1 to 1.
    
    Issue-ID: PORTAL-652
    Change-Id: Idbb41f52a63c6ea681f6ba7753991d766849e3a2
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    
1 file changed