hisi_sas: Change int to unsigned int to avoid the overflow risk of left shift Operators.

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

"4 << 29" exceeds the max value of int type,
so "4" needs to be changed as unsigned int type.
Signed-off-by: Ngaochuan (E) <gaochuan4@huawei.com>
Reviewed-by: Nzhouyupeng1 <zhouyupeng1@huawei.com>
Reviewed-by: Nchenxiang <chenxiang66@hisilicon.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

@@ -1458,7 +1458,7 @@ static void prep_ata_v3_hw(struct hisi_hba *hisi_hba,
 	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
 		hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF); /* STP */
 	else
-		hdr->dw0 |= cpu_to_le32(4 << CMD_HDR_CMD_OFF); /* SATA */
+		hdr->dw0 |= cpu_to_le32(4U << CMD_HDR_CMD_OFF); /* SATA */
 
 	switch (task->data_dir) {
 	case DMA_TO_DEVICE:
@@ -1529,7 +1529,7 @@ static void prep_abort_v3_hw(struct hisi_hba *hisi_hba,
 	struct hisi_sas_port *port = slot->port;
 
 	/* dw0 */
-	hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
+	hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /*abort*/
 			       (port->id << CMD_HDR_PORT_OFF) |
 				   (dev_is_sata(dev)
 					<< CMD_HDR_ABORT_DEVICE_TYPE_OFF) |