Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 09781bb1dbbcfd459c1628c5fc3ff7780db8febd
  - Merge "AAI url addition for Metadatum"
  - AAI url addition for Metadatum
    
    AAI url addition for Metadatum for BBS requirement.
    
    Change-Id: I37a5d12c83d758b69506dc0128601cdb358f4f4a
    Issue-ID: SO-1578
    Signed-off-by: subhash kumar singh <subhash.kumar.singh@huawei.com>
    
1 file changed