add channel to struct scsi_target

this may be temporary depending on how
the channel issue is resolved for qla1280

drivers/scsi/scsi_sysfs.c

@@ -783,6 +783,7 @@ int scsi_sysfs_target_initialize(struct scsi_device *sdev)
 			 "target%d:%d:%d",
 			 shost->host_no, sdev->channel, sdev->id);
 		starget->id = sdev->id;
+		starget->channel = sdev->channel;
 		create = starget->create = 1;
 		/*
 		 * If there wasn't another lun already configured at

include/scsi/scsi_device.h

@@ -137,6 +137,7 @@ struct scsi_device {
 struct scsi_target {
 	struct scsi_device	*starget_sdev_user;
 	struct device		dev;
+	unsigned int		channel;
 	unsigned int		id; /* target id ... replace
 				     * scsi_device.id eventually */
 	struct class_device	transport_classdev;