olm: enable test on arm64
The default indexes are now available for arm64, and installed by
@@ -163,6 +163,8 @@ func archHasDefaultIndex(oc *exutil.CLI) bool {
switch node.Status.NodeInfo.Architecture {
case "amd64":
return true
+ case "arm64":
+ return true
case "ppc64le":
return true
case "s390x":
