Changes to usb/serial: how to distinguish between old and new interfaces in 8-STABLE and 9-CURRENT branches?

[Nick Hibma]

> Lev Serebryakov <lev at freebsd.org> wrote:
> 
>>  Last changes, committed to 8-STABLE ... breaks some API/ABI ...
> 
> AFAIK, changes that break API/ABI are not supposed to be MFCd.
> Perhaps that one needs to be backed out of 8-STABLE?

Adding of PNP Info to usb devices

	http://svnweb.freebsd.org/base/head/sys/dev/usb/usbdi.h?r1=213435&r2=214429&pathrev=214429

This is necessary to be able to map u3gX1 devices to /dev/cuaUX2.Y ttys .  This was discussed and requested to be MFCed by HPS.

Nick