Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to 29210e6702347d26f5784dd69a40b70042e8ff28
  - Remove dead code around ssl support & activate tomcat port log

    Log INFO:
    o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8443 (https)

    Change-Id: Iae79e7fbc1ea104afe881dcfbcff294d3938ec38
    Issue-ID: EXTAPI-418
    Signed-off-by: MatthieuGeerebaert <matthieu.geerebaert@orange.com>

diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
index efb32d0..29210e6 160000 (submodule)
--- a/docs/submodules/externalapi/nbi.git
+++ b/docs/submodules/externalapi/nbi.git
@@ -1 +1 @@
-Subproject commit efb32d082a5b8463377ba91752dc25280d4b1cd4
+Subproject commit 29210e6702347d26f5784dd69a40b70042e8ff28