zuul: layout: ansible-hardening: Promote the openSUSE job to gate

The ansible-hardening repository is self-contained and has no OpenStack
Ansible dependencies. The openSUSE job is working well there so promote
it to a proper gate job.

Change-Id: I580935e16f955bffa36f5d902adfebf035d9886e

zuul/layout.yaml

@@ -5232,15 +5232,16 @@ projects:
       - name: release-notes-jobs
       - name: ansible-role-functional-jobs-centos7
       - name: ansible-role-functional-jobs-xenial
-      - name: ansible-role-functional-jobs-opensuse-422
     check:
       - gate-ansible-hardening-ansible-func_rhel6-ubuntu-trusty
       - gate-ansible-hardening-ansible-func-debian-jessie
       - gate-ansible-hardening-ansible-func-fedora-25
+      - gate-ansible-hardening-ansible-func-opensuse-422
     gate:
       - gate-ansible-hardening-ansible-func_rhel6-ubuntu-trusty
       - gate-ansible-hardening-ansible-func-debian-jessie
       - gate-ansible-hardening-ansible-func-fedora-25
+      - gate-ansible-hardening-ansible-func-opensuse-422
     release:
       - ansible-hardening-announce-release