Update git submodules

* Update docs/submodules/sdc/sdc-workflow-designer.git from branch 'elalto'
  to 3a04d8d59b952f1fb776d3b300b0e1efc24e07e3
  - Update P12 certif
    
    Update P12 for El Alto maintenance release
    
    Issue-ID: SDC-3157
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    Change-Id: Ifa1ba74c42fdcd0037d75f55869e423610f1fa33
    
1 file changed