Add board enable for abit BF6

Because the board does not have any PCI subsystem IDs set and the
DMI strings are not very specific at all, autodetection has been disabled.
The GPIO was found by roxfan and the patch tested on hardware by Gelip,
thanks!

Corresponding to flashrom svn r1762.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
2 files changed