intel: add B43 chipset support

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

Hopefully this will be one of the last cherry-picks.

(cherry picked from commit ca246dd186f9590f6d67038832faceb522138c20)
2 files changed