Resend with subject: No more non-MPSAFE network device drivers, please!

[Warner Losh]

> I'd be willing to help convert drivers if we can get the code into the 
> tree (maybe as usb-ng?).  Setting up a bounty for this stuff may be 
> worthwhile since having a solid USB stack would be a boon for 
> everyone.
> I'm not sure if it's possible with the HPS driver, but it would be 
> nice if every USB device could expose ugen endpoints along with their 
> device specific nodes.

Since I've been reviewing the HPS usb stack for a while now, I'd be
happy to act as coordinator for efforts in this area.

Warner