acpi/acpi_apic;arch/x86/acpi: better document ACPI_NO_PCAT_8259 case

Both acpi_create_madt_sci_override and acpi_sci_int have special
handling for the ACPI_NO_PCAT_8259 case, but those cases weren't exactly
obvious, so add a comment with the reason for that.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia6dcf59d5ab9226c61e9c4af95a73a07771b71d1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82643
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions