commit 5e71fc86 upstream.

Add USB VID/PID for Xircom PGMFHUB USB/serial component.  (The hub and SCSI
bridge on that hardware are recognized out of the box by existing drivers.)
Tested VID/PID using new_id and loopback connection and was met with
success, but that's all the testing done.
Signed-off-by: Nathaniel Wesley Filardo <nwf@cs.jhu.edu>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>