Update Location list to include 2 Korean locations
Update Location list to include 2 Korean locations

Add Korea Central and Korea South.
Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,waynekuo/azure-resource-manager-schemas,EvgenyAgafonchikov/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas