SMC: Add OVERLAND library personality module

Found manual:
ftp://www.softdevlabs.com/fish/pub/SCSI/manuals/Overland/Overland%20L490E%20SCSI%20Manual.pdf

Signed-off-by: Mark Harvey <markh794@gmail.com>
SMC: Add HP MSL personality

Signed-off-by: Mark Harvey <markh794@gmail.com>
Update Spectra Logic T Series library personality module

Update device capabilities mode page to that documented
in Spectra T-Series Libraries - SCSI Developer's Guide

https://www.spectralogic.com/index.cfm?fuseaction=home.displayFiles&DocID=286

Signed-off-by: Mark Harvey <markh794@gmail.com>
STK SL500 personality module

Start framework for STK SL500 personality module

Signed-off-by: Mark Harvey <markh794@gmail.com>