terraform(softlayer): add edge role
terraform(softlayer): add edge role

mantl/mantl,CiscoCloud/microservices-infrastructure,CiscoCloud/mantl,sehqlr/mantl,bitium/mantl,huodon/microservices-infrastructure,huodon/microservices-infrastructure,sehqlr/mantl,mantl/mantl,CiscoCloud/mantl,phnmnl/mantl,datascienceinc/mantl,huodon/microservices-infrastructure,CiscoCloud/microservices-infrastructure,huodon/microservices-infrastructure,abn/microservices-infrastructure,ContainerSolutions/microservices-infrastructure,ContainerSolutions/microservices-infrastructure,KaGeN101/mantl,KaGeN101/mantl,bitium/mantl,abn/microservices-infrastructure,abn/microservices-infrastructure,phnmnl/mantl,datascienceinc/mantl,huodon/microservices-infrastructure