Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to d23fb0f9e149f132907230270713b1d81ced8ffb
  - fix a typo
    
    VfModuleArtifacGenerator -> VfModuleArtifactGenerator
    
    Change-Id: I58fa51c74974adef1f32c52eb3eee61fb56cb2ee
    Issue-ID: SDC-2087
    Signed-off-by: Liang Ding <liang.ding@intel.com>
    
1 file changed