Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "Enabling the aarch check for deployment"
  - Enabling the aarch check for deployment

    Change-Id: Ic5f1fc8a61f74f7aa6b2fabf67169c601a603367
    Signed-off-by: Dan Radez <dradez@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index ec13bb9..c864613 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit ec13bb94237f2157fa1e1037a0a9f7c4c4e09e39
+Subproject commit c864613222ed1b85306deba7991df1a89b56c897