Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 5ed2fc56576271bd09debf9016bf340cc99fe747
  - This is to update swagger as per ONAP style guidelines
    Issue-ID: EXTAPI-397
    Signed-off-by: aosull01 <adrian.osullivan@huawei.com>
    Change-Id: I1d3f2e330cf69102e3f20340b9e073f000dca5ed
    
1 file changed