Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "Fixes bugs in ovs dpdk"
  - Fixes bugs in ovs dpdk

    Changes Include:
     - Fixes an issue where using non-1st nic admin network deployment would
       result in loss of network connectivity during deployment.
     - Fixes an issue where not specifying cores to pin to in performance
       options would result in an incorrect '0' value used for core mask.

    JIRA: APEX-452
    JIRA: APEX-453

    Change-Id: I413290161abd9b2fa39b659d5ff989da9554f603
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index 4c3ab00..f7e80c3 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit 4c3ab00cb5d3fa5ea43dc0370ac7c20fa20441c1
+Subproject commit f7e80c32e0456b0997cbe2c8ce6587f16750ac9b