PR https://github.com/openshift/cluster-ingress-operator/pull/798/
openshift/cluster-config-operator#268: NE-975: Update openshift/api for updated ingress config loadBalancer fields
openshift/cluster-ingress-operator#798: In the infra config cluster object cluster object we need to store AwsLBType info for persistence.
openshift/cluster-ingress-operator#837: NE-975: Use ingress config to set default LB type on AWS