Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to ca7fa9dce1d37491e648531998c1577446eff23b
  - Identify whether the Service is of A-la-carte or macro type
    
    Issue-ID: EXTAPI-367
    Signed-off-by: sunilb <sb00577584@techmahindra.com>
    Change-Id: I281936af78a0bbb7b08f7e96fd64015eaa4a6b5a
    
1 file changed