Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 56f5c144cfff229235817feda9baf4036b22156a
  - Fix AAF url
    
    Fix AAF url so that it's aligned with AAF changes, version updates
    
    Issue-ID: CLAMP-482
    Change-Id: I13138a58e6746bf866f64323aca8d4f72541f2ca
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    
1 file changed