[SCSI] add OSD_TYPE

- Define the OSD_TYPE scsi device and let it show up in scans

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 8f4de20..a14d245 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -797,6 +797,7 @@
 	case TYPE_ENCLOSURE:
 	case TYPE_COMM:
 	case TYPE_RAID:
+	case TYPE_OSD:
 		sdev->writeable = 1;
 		break;
 	case TYPE_ROM: