Update git submodules

* Update docs/submodules/apex from branch 'master'
  - [KVMFORNFV]kvm+ovs+dpdk scenario for E-release

    This patch consists of implementation of the KVMFORNFV
    os-nosdn-kvm_ovs_dpdk-ha and os-nosdn-kvm_ovs_dpdk-ha
    scenarios.

    Format of comment to trigger gate should be as follows:
    start-gate-scenario: os-nosdn-kvm_ovs_dpdk-noha

    Change-Id: Ia320ed8ac44f6b62c3875efe5e44a1df7a0fc777
    Signed-off-by: Navya Bathula <navyax.bathula@intel.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index 432f1f9..a36df89 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit 432f1f9339938342bbdb6c4b98752b5f8848add4
+Subproject commit a36df896ab212bc3fc1705d1ead949a5fabcd77e