[S] Change in coreboot[main]: acpigen.c: Add resource producer functions for mmio

[Arthur Heymans (Code Review)]

Attention is currently required from: Cliff Huang, Felix Held, Lance Zhao, Nico Huber, Tim Wawrzynczak.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/79217?usp=email )

Change subject: acpigen.c: Add resource producer functions for mmio
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Patch Set 4:

(3 comments)

File src/acpi/acpigen.c:

https://review.coreboot.org/c/coreboot/+/79217/comment/e2eb67cf_64ca620b :
PS3, Line 2260: _x
> Not sure if we need the `_x`. It only has meaning to me because I know
> the history of the code.

Done

https://review.coreboot.org/c/coreboot/+/79217/comment/863a03af_0bd68132 :
PS3, Line 2310: 		acpigen_resource_producer_mmio64(mmio_base, mmio_limit, type_flags);
> Could this if/else be generic too? That would save us half of the
> wrappers. i.e. a generic acpigen_resource_x_mmio() called by
> acpigen_resource_producer_mmio() and acpigen_resource_consumer_mmio().

Done.

https://review.coreboot.org/c/coreboot/+/79217/comment/ef81a781_b33ea106 :
PS3, Line 2331:
> Single empty line is more common and preferred, I think.

Done