r239222 boot failure: Lock (sx) USB config SX lock not locked

[Hans Petter Selasky]

On Monday 13 August 2012 13:15:00 Kim Culhan wrote:
> Seeing this on r239222:
> 
> panic: Lock (sx) USB config SX lock not locked @
> /usr/src/sys/dev/usb/usb/usb_device.c:2781
> 
> thanks
> -kim

It's my fault. I'll add the missing locks. Thank you.

--HPS