Using existing defines instead of magic values improves readability of
the code. Also add comments to the MADT IRQ overrides to make it clearer
what those actually do.
TEST=Timeless build results in identical binary for amd/gardenia
(Stoneyridge), amd/mandolin (Picasso) and amd/majolica (Cezanne)
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I224ffbe8eb65bcdd5fc70c0ff8b15d55b3f6be01
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55613
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>