Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ef93fddc253a72f870a224361e0be8303811d976
  - Merge "Add model type to resource model"
  - Add model type to resource model
    
    Add model type to resource model.
    
    Change-Id: Ic1937d859cebca1b515d9c069c51c9811d6874ab
    Issue-ID: SO-1393
    Signed-off-by: subhash kumar singh <subhash.kumar.singh@huawei.com>
    
1 file changed