Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 0b4cdc4ab5740f9a1a4e308a0dee6ab9bcf8c6c4
  - add common method for getting max allowed instances of vfModule + UT
    
    Issue-ID: VID-726
    Signed-off-by: Eylon Malin <eylon.malin@intl.att.com>
    Change-Id: Ib4597a027a6ac519ca2290d41b0f3208d47cc5b3
    
1 file changed