Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to c4f54bf8f8520cb270ad3d7f8c91e12a951f138a
  - Guard policy clean up
    
    Remove guard policy related code, so that it will not be shown or
    created in the legacy policy UI.
    
    Issue-ID: CLAMP-825
    Change-Id: I6c654fef9fd9df810fd48600c91ffef96db371cd
    Signed-off-by: xuegao <xg353y@intl.att.com>
    
1 file changed