Add product code to CentOS 7 AMI search terms

Signed-off-by: Jim Enright <jenright@cloudera.com>

Author: jimright

roles/infrastructure/tasks/initialize_setup_aws.yml

@@ -70,6 +70,7 @@
         region: "{{ infra__region }}"
         filters:
           name: "{{ infra__dynamic_inventory_images_default[infra__type][infra__dynamic_inventory_os].search }}"
+          product-code: "{{ infra__dynamic_inventory_images_default[infra__type][infra__dynamic_inventory_os]['product-code'] | default(omit) }}"
         owners: "{{ infra__dynamic_inventory_images_default[infra__type][infra__dynamic_inventory_os].owners }}"
       register: __infra_aws_ami_list