Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to e9d4fc1e6ea5f43811d068db48c3f6847cf0dd66
  - R6 Model Spec Update
    
    Change-Id: I569b33a64bbae425eaec5fa939c57f69ea7e1ed8
    Issue-ID: MODELING-363
    Signed-off-by: yxpoke <yangxu5@huawei.com>
    
1 file changed