Name
rio_release_inb_dbell — 
     release inbound doorbell message service
 
Arguments
- mport
- 
     RIO master port from which to release the doorbell resource
     
- start
- 
     Doorbell info range start
     
- end
- 
     Doorbell info range end
     
Description
   Releases ownership of an inbound doorbell resource and removes
   callback from the doorbell event list. Returns 0 if the request
   has been satisfied.