[M] Change in coreboot[main]: arch/x86: Enable support for IOAPIC devices

[Shuo Liu (Code Review)]

Attention is currently required from: Cliff Huang, Jérémy Compostella, Lance Zhao, Lean Sheng Tan, Patrick Rudolph, Subrata Banik, Tim Wawrzynczak, [e-mail].

Shuo Liu has posted comments on this change by Patrick Rudolph. ( https://review.coreboot.org/c/coreboot/+/85226?usp=email )

Change subject: arch/x86: Enable support for IOAPIC devices
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Patch Set 2:

(1 comment)

File src/acpi/acpi_apic.c:

https://review.coreboot.org/c/coreboot/+/85226/comment/7ddcb09c_994b934c?usp... :
PS2, Line 244: 		assert(!CONFIG(ACPI_COMMON_MADT_IOAPIC) || dev->path.ioapic.gsi_base != 0);
Should we have a comment here to indicate the IOAPIC gsi0 don't need to have a devicetree object? Or to explicitly continue when ACPI_COMMON_MADT_IOAPIC is selected and dev->path.ioapic.gsi_base == 0?