Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 8587d7ef29ee305da685d98b396856c0ac115fa4
  - Merge "Migrate parent from springboot to oparent"
  - Migrate parent from springboot to oparent

    Update to latest oparent
    Force latest guava from oparent, exclude one from sdc and msb

    Change-Id: Ie8971b4a7f0e647bedc96b76affa59a32dc49ea2
    Issue-ID: EXTAPI-193
    Signed-off-by: MatthieuGeerebaert <matthieu.geerebaert@orange.com>

diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
index 552ba2c..8587d7e 160000 (submodule)
--- a/docs/submodules/externalapi/nbi.git
+++ b/docs/submodules/externalapi/nbi.git
@@ -1 +1 @@
-Subproject commit 552ba2cc87a01ec0337e39ffcd819da5b6e05e62
+Subproject commit 8587d7ef29ee305da685d98b396856c0ac115fa4