Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to d38feb6936783a37631c444d62fe74a78dd41824
  - Mass PNF simulator for benchmark purposes
    
    Change-Id: I8a5ead57d0347fa34f048c7bfc5352ba045b1b62
    Issue-ID: DCAEGEN2-1225
    Signed-off-by: TamasBakai <tamas.bakai@est.tech>
    
1 file changed