Add image properties.cpu_arch

Author: MaxBed4d

etc/kayobe/stackhpc-overcloud-dib.yml

@@ -15,6 +15,9 @@ stackhpc_overcloud_dib_host_image:
   elements: "{{ stackhpc_overcloud_dib_elements }}"
   env: "{{ stackhpc_overcloud_dib_env_vars }}"
   packages: "{{ stackhpc_overcloud_dib_packages }}"
+  properties:
+    - cpu_arch: "{{ overcloud_dib_architechture }} "
+
 
 # StackHPC overcloud DIB image name.
 stackhpc_overcloud_dib_name: "deployment_image"