On-board devices should be present in the devicetree, so that
`.on_mainboard` field of `struct device` is `1`.
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Change-Id: I3678514482724377bcdfcbdc7f2c5b312a48b2c6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51672
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
480c2de549