Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to d50470f7adcf3f2f8e49b7adb886763f898910d0
  - Update license diagrams
    
    Issue-ID: MODELING-104
    
    Change-Id: I3d351c8485e70ddae0d0d2148e638cf4e6e87cc3
    Signed-off-by: jjewitt58 <jessie.jewitt@oamtechnologies.com>
1 file changed