Fwd: Add SCSI passthrough to CTL

[Bhimanshu Kumar]

*Introduction : *CTL is the FreeBSD SCSI target layer. There are various
SCSI commands, but it's usually used for block-level access. This projects
focuses on making CTL capable of providing physical optical drive as a
whole to the initiator machine
Link : https://github.com/bhimanshu1997/freebsd

Report:
1.address Parser code has been added in ctld/parse.y , 3 integers has been
added in struct lun . and these 3 int are getting values from the parsed
address successfully.
2. ctl.conf.5 has been modified with passthrough.