Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 157e2de9766fdf9adc939dca43df4ccf0b16188d
  - Merge "Fix policy Tosca converter"
  - Fix policy Tosca converter
    
    Fix converter so that it can understand the new Policy Yaml model
    
    Issue-ID: CLAMP-306
    Change-Id: I4d2f8640b2344e7ceee2cfec2d7e3175777f591b
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    
1 file changed