scsi: myrb: Fix inconsistent format argument types

Fix the following warnings:

[drivers/scsi/myrb.c:1052]: (warning) %d in format string (no. 1)
	requires 'int' but the argument type is 'unsigned int'.
[drivers/scsi/myrb.c:1052]: (warning) %d in format string (no. 2)
	requires 'int' but the argument type is 'unsigned int'.
[drivers/scsi/myrb.c:1052]: (warning) %d in format string (no. 4)
	requires 'int' but the argument type is 'unsigned int'.
[drivers/scsi/myrb.c:2170]: (warning) %d in format string (no. 1)
	requires 'int' but the argument type is 'unsigned int'.

Link: https://lore.kernel.org/r/20200930021637.2831618-1-yebin10@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: Ye Bin

drivers/scsi/myrb.c

@@ -1050,7 +1050,7 @@ static int myrb_get_hba_config(struct myrb_hba *cb)
 		enquiry2->fw.turn_id = 0;
 	}
 	snprintf(cb->fw_version, sizeof(cb->fw_version),
-		"%d.%02d-%c-%02d",
+		"%u.%02u-%c-%02u",
 		enquiry2->fw.major_version,
 		enquiry2->fw.minor_version,
 		enquiry2->fw.firmware_type,
@@ -2167,7 +2167,7 @@ static ssize_t ctlr_num_show(struct device *dev,
 	struct Scsi_Host *shost = class_to_shost(dev);
 	struct myrb_hba *cb = shost_priv(shost);
 
-	return snprintf(buf, 20, "%d\n", cb->ctlr_num);
+	return snprintf(buf, 20, "%u\n", cb->ctlr_num);
 }
 static DEVICE_ATTR_RO(ctlr_num);