Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to e7ff6b51d92450641f017bccd34496a28229129f
  - Update release notes
    
    Update release notes for El Alto release
    
    Change-Id: I2c724fd70990ef3aac21c5efdc656c0bb628ae03
    Issue-ID: CCSDK-1701
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed