Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 746d161edf22f10fd96a158fa7001f74b21d680d
  - Merge "Update oparent to latest 2.1.0, also update all dependencies minor version"
  - Update oparent to latest 2.1.0, also update all dependencies minor version

    Change-Id: I2f3c3dc33c653657baa2bc899add530013a8d009
    Issue-ID: EXTAPI-310
    Signed-off-by: MatthieuGeerebaert <matthieu.geerebaert@orange.com>

diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
index 30b54b2..746d161 160000 (submodule)
--- a/docs/submodules/externalapi/nbi.git
+++ b/docs/submodules/externalapi/nbi.git
@@ -1 +1 @@
-Subproject commit 30b54b2d329c388babcfaeb978b4fbd8643e9413
+Subproject commit 746d161edf22f10fd96a158fa7001f74b21d680d