See AWS [0] and PoC [1] for guidance.
[0] https://github.com/openshift/installer/blob/master/pkg/asset/manifests/aws/cluster.go [1] https://github.com/Karthik-K-N/installer/commit/2ee454c8aab89bb9e50c3fed30825439f5773fac#diff-d64858fc7bd62b167255ed5b1675893f905378e2978d2eff3aa0c83e5964be02
openshift/installer#8116: MULTIARCH-4096: PowerVS: Generate the cluster assets