b43: add Kconfig option for compiling SSB driver

It is always "y" for now, b43 will not compile without CONFIG_SSB yet.
This is just a first step of dropping SSB dependency.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
3 files changed