scsi: pm80xx: Tie the interrupt name to the module instance

With MSI-x enabled, the interrupt instances are <prefix><index> where the
prefix is fixed for all module instances, making it a little harder to
track down what's what.

Link: https://lore.kernel.org/r/20191114100910.6153-13-deepak.ukey@microchip.com


Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Vikram Auradkar <auradkar@google.com>
Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>