Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 6abaacf6ff8afb9675eff17ce0ec21c021a5d89c
  - Merge "Service Catalog - json schema reference"
  - Service Catalog - json schema reference
    
    Issue-ID: EXTAPI-105
    
    Change-Id: I4877636508135a2f7a77dab86dbe6a126070e9ff
    Signed-off-by: akanshad <akansha.dua@amdocs.com>
    
1 file changed