Újabb Broadcom wireless driver BSD licenccel

Log:
Add WIP support for Broadcom wireless chips:
- STA and MONITOR operation mode are supported
- WPA/WPA2 is supported (host based)
- Use V3 firmware
- 11b/g mode is supported
 
TODOs (AKA defects ;)
- Add the missing part of PCIe initialization (need testers)
- Hook TX rate control support in our 802.11 layer
- HOSTAP and IBSS operation mode support
- Add radio tap support
- Use V4 firmware for newer chips
- Use firmware based crypto for V4 firmware
- V3 and V4 firmware coexist
- Make LED blink
- Make my 11b only card work :]
- Correctly configure CW and MAC level acknowledge rates based on the
characteristic of the BSS/IBSS that we are going to join

A kommitban megköszöni a bcm-specs.sipsolutions.net-es embereknek a dokumentációt.

A balsorsú OpenBSD bcw driver után reméljük ez a kezdeményzés nem lesz problémás.

Az OpenBSD már el is kezdte a portolást:

Log message:
Initial port of Sepherosa Ziehau's DragonFlyBSD driver
for Broadcom AirForce wireless devices.