qla2xxx: Add MBC option for fast SFP data access.

Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: NSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/qla2xxx/qla_attr.c

@@ -664,7 +664,7 @@ qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 		}
 
 		rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
-		    addr, offset, SFP_BLOCK_SIZE, 0);
+		    addr, offset, SFP_BLOCK_SIZE, BIT_1);
 		if (rval != QLA_SUCCESS) {
 			ql_log(ql_log_warn, vha, 0x706d,
 			    "Unable to read SFP data (%x/%x/%x).\n", rval,