Similar to RAID map for Logical Drives, now JBOD map has been introduced for
JBODs. Driver has to sync the JBOD map with firmware and use sequence number
as a reference for JBOD FastPath I/O's.

Submitted by: Sumit Saxena <sumit.saxena@broadcom.com>
Reviewed by: Kashyap Desai <Kashyap.Desai@broadcom.com>
MFC after: 3 days
Sponsored by: AVAGO Technologies