Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 8374ed4aa7c6e39b73b45b28b91e46be026c3dac
  - Slight Updates
    
    Slight updates related to R4 finalization
    
    Issue-ID: MODELING-104
    
    Change-Id: Ia9993755e47e87e7b01d9421b02029f26d79301c
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
1 file changed