scsi: lpfc: Add first and second level hardware revisions to sysfs reporting

To aid better hardware detection when there are issues, report the first
and second level hardware revisions from the READ_REV command.  Add the
elements to the existing hardware id string.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>