Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "Backport Neutron port data plane status"
  - Backport Neutron port data plane status

    JIRA: APEX-444
    JIRA: DOCTOR-102

    Change-Id: Idc40aa549fb1aae077a9e6b84225833a9c7c5b72
    Signed-off-by: Carlos Goncalves <carlos.goncalves@neclab.eu>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index 102566e..0890153 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit 102566e6448657c7607ffbaa33f8b3a095fc0933
+Subproject commit 0890153eb47fd29abf6ec419096546103aa22616