Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to dad42728c966c57212bf506f10bd9812497f8ce8
  - Add initial release notes for El Alto early drop
    
    Add initial release notes for El Alto early drop
    
    Change-Id: Ia2bcff41ae7a49004c0c3efaa819ed2a4ed93ac3
    Issue-ID: CCSDK-1589
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed