sb/intel/bd82x6x/sata: Don't hard-code values
The interrupt line registers are configured in a central place,
pch_pirq_init() in `lpc.c`, according to the PIRQ configuration.
Hardcoding values here makes no sense.
Change-Id: Ide5f101b2e5bda84f3c2ff8c8ca636b8233bb948
Signed-off-by: Felix Singer <felix.singer@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40229
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>