Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to fd5eea3a50cd97201ebc62ffb5384f690a28bc65
  - Merge "release 6.0.1 docker tag"
  - release 6.0.1 docker tag
    
    Issue-ID: EXTAPI-421
    
    Signed-off-by: aosull01 <adrian.osullivan@huawei.com>
    Change-Id: I5a7ac6b612267f631169ba63c6290965218accf4
    
diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
index 4614359..fd5eea3 160000
--- a/docs/submodules/externalapi/nbi.git
+++ b/docs/submodules/externalapi/nbi.git
@@ -1 +1 @@
-Subproject commit 4614359a9992c2c384ba46cb5af61f4dfae20e6c
+Subproject commit fd5eea3a50cd97201ebc62ffb5384f690a28bc65