Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 4614359a9992c2c384ba46cb5af61f4dfae20e6c
  - Merge "release RC0 jar for 6.0.1"
  - release RC0 jar for 6.0.1
    
    Issue-ID: EXTAPI-420
    
    Signed-off-by: aosull01 <adrian.osullivan@huawei.com>
    Change-Id: I767454e0f562cb5276a50dc88689d338d796d114
    
1 file changed