Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 52b4cd97dd34e4c2915e76c91dc4582fab335960
  - Merge "NSSMF adapter utils"
  - NSSMF adapter utils
    
    Adding utils to NSSMF adapter
    
    Change-Id: If02c9503189dbbb5cfdd74b6422d4ff4ffba739c
    Issue-ID: SO-2544
    Signed-off-by: jananib <janani.b@huawei.com>
    
1 file changed