Merge pull request #213 from k8s-infra-cherrypick-robot/cherry-pick-212-to-release-0.1

[release-0.1] missed regions added

Author: k8s-ci-robot

pkg/cloud/powervs.go

@@ -409,6 +409,14 @@ func getRegion(zone string) (region string, err error) {
 		region = "syd"
 	case strings.HasPrefix(zone, "mon"):
 		region = "mon"
+	case strings.HasPrefix(zone, "osa"):
+		region = "osa"
+	case strings.HasPrefix(zone, "dal"):
+		region = "dal"
+	case strings.HasPrefix(zone, "sao"):
+		region = "sao"
+	case strings.HasPrefix(zone, "tok"):
+		region = "tok"
 	default:
 		return "", fmt.Errorf("region not found for the zone, talk to the developer to add the support into the tool: %s", zone)
 	}