Add support for BDC detection, based on the schematics for each board.
Support for boards without schematics needs further testing.
Needs test on all boards.
Change-Id: If33ef88fb808f36b050393fa83eb1b541ce936b9
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/19810
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>