add mgmt for radium (formerly cp1001)

asset tag WMF3134/cp1001 is now radium per:

https://racktables.wikimedia.org/index.php?page=object&tab=default&object_id=1203

and Rob's comment on RT 7925  but did not have the mgmt names
yet

server is powered down, but iDRAC listening on this IP

RT: 7925
RT: 7971

Change-Id: Iff7dc251b46759aeddfeec771dd8f9eaae5bbe8e