Add the idrac-redfish-virtual-media boot interface

Note: This boot interface requires an addtiaional sushy-oem-dell
package which is not yet available as an RPM.

ironic.conf

@@ -5,7 +5,7 @@ default_boot_interface = ipxe
 default_deploy_interface = direct
 default_inspect_interface = inspector
 default_network_interface = noop
-enabled_boot_interfaces = pxe,ipxe,fake,redfish-virtual-media
+enabled_boot_interfaces = pxe,ipxe,fake,redfish-virtual-media,idrac-redfish-virtual-media
 enabled_deploy_interfaces = direct,fake
 enabled_hardware_types = ipmi,idrac,irmc,fake-hardware,redfish
 enabled_inspect_interfaces = inspector,idrac,irmc,fake,redfish