[S] Change in coreboot[main]: acpi: Add soc_pci_domain_fill_ssdt

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Cliff Huang, Jincheng Li, Lance Zhao, Tim Wawrzynczak.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81373?usp=email )

Change subject: acpi: Add soc_pci_domain_fill_ssdt
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Patch Set 2:

(1 comment)

File src/acpi/acpigen_pci_root_resource_producer.c:

https://review.coreboot.org/c/coreboot/+/81373/comment/6bcc5bea_c145370a :
PS1, Line 49: /* SoC specific settings, device object creation could be placed here */
            : 	soc_pci_domain_fill_ssdt(domain);
> I don't think a soc specific way of creating objects is the way to go. […]

We need this for GNR codes to cover GNR and SRF, and SPR will also benefit due to the reason of multiple SKU. I agree that this should not be a must, it is just an options. For clients, embedded, static generation should be the default way.