[SCSI] scsi: Add IBM 2104-DU3 to blist

Some versions of the IBM 2104-DU3 disk enclosure
have been observed to hang Inquiries to non zero
LUNs to the SES device. This device only has LUN 0,
so this patch adds it to the BLIST to prevent scsi
core from scanning beyond LUN 0.

Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>