hisi_sas: rename some fields in hisi_sas_itct

Since hisi_sas_itct format is different between v1 and v2 hw, give more
general names for some fields.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/hisi_sas/hisi_sas.h

@@ -248,18 +248,7 @@ struct hisi_sas_itct {
 	__le64 sas_addr;
 	__le64 qw2;
 	__le64 qw3;
-	__le64 qw4;
-	__le64 qw_sata_ncq0_3;
-	__le64 qw_sata_ncq7_4;
-	__le64 qw_sata_ncq11_8;
-	__le64 qw_sata_ncq15_12;
-	__le64 qw_sata_ncq19_16;
-	__le64 qw_sata_ncq23_20;
-	__le64 qw_sata_ncq27_24;
-	__le64 qw_sata_ncq31_28;
-	__le64 qw_non_ncq_iptt;
-	__le64 qw_rsvd0;
-	__le64 qw_rsvd1;
+	__le64 qw4_15[12];
 };
 
 struct hisi_sas_iost {