Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 4cd2af8401bdc64aa5d28629b0365c1067f8ed28
  - Merge "Updated Release Notes on Keystore cert"
  - Updated Release Notes on Keystore cert
    
    Issue-ID: PORTAL-549
    
    Change-Id: Id32954cd47469cff79c68220821f36fdb0d95f4d
    Signed-off-by: Welch, Lorraine (lb2391) <lb2391@att.com>
    
1 file changed