scsi: pmcraid: Remove an unused structure member

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/pmcraid.h

@@ -542,7 +542,6 @@ struct pmcraid_sglist {
 	u32 order;
 	u32 num_sg;
 	u32 num_dma_sg;
-	u32 buffer_len;
 	struct scatterlist scatterlist[1];
 };