Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7c9df24c78e9bf609cdf571d84c68fe9df4e0877
  - Merge "VNFM simulator implementation for instantiate flow"
  - VNFM simulator implementation for instantiate flow
    
    Issue-ID: SO-1773
    Change-Id: I710fe6905d650df29f7550f4eafde2f672301bc4
    Signed-off-by: Lathish <lathishbabu.ganesan@est.tech>
    
1 file changed