PERFORCE change 174936 for review

[Hans Petter Selasky]

On Sunday 21 February 2010 09:53:33 Hans Petter Selasky wrote:
> http://p4web.freebsd.org/chv.cgi?CH=174936
> 
> Change 174936 by hselasky at hselasky_laptop001 on 2010/02/21 08:52:41
> 
> 
> 	USB WLAN:
> 		- integrate latest driver code from OpenBSD.
> 		- patch by: Akinori
> 

summary of changes
    applied OpenBSD commit Revision 1.36-1.57
    * some Tx optimization
    * added RT3572 specific functions
    * better filter calibration for >= RT3071
    * read more vendor settings for >= RT3070
    * fixed the initial AGC value for >=RT3070
    * use new command to select antenna (new firmware required)
    * added more channels for dual-band devices
    * added another device ID
    * firmware update
        RT2870 v. 0.12 -> 0.17
        RT3071 v. 0.02 -> 0.17
    * code clean up
    firmware update
        RT2870 v. 0.12 -> v. 0.17
        RT3071 v. 0.02 -> v. 0.17
   changed nonsense comment


--HPS