Update git submodules

* Update docs/submodules/aaf/certservice.git from branch 'master'
  to 2d8221140ce7d57892e94bc87ada96a0900f9fcc
  - Merge "Removed usage of RegTokenPwd when generating cert request"
  - Removed usage of RegTokenPwd when generating cert request
    
    Signed-off-by: Michal Banka <michal.banka@nokia.com>
    Change-Id: I94069e1ab6ac63191f86746763596d5897e9b31f
    Issue-ID: AAF-1107
    
1 file changed