Bifferboard: Fix MAINBOARD_PART_NUMBER.

Change-Id: I4acbeee8a0d26fae220ac22940b6f924e19af19c
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Reviewed-on: http://review.coreboot.org/894
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
1 file changed