Based on ppc64le changes by Sajauddin Mohammad [1]
1. https://review.openstack.org/#/c/423239/6
Tested with centos, debian, ubuntu on aarch64 and ppc64le.
Partially-Implements: blueprint multiarch-and-arm64-containers
Change-Id: If0ccc58d436b2468cd477c222ebc2fe0073206e9