Change in coreboot[master]: soc/intel/common: Add new IRQ block

[Nico Huber (Code Review)]

Attention is currently required from: Furquan Shaikh, Martin Roth, Tim Wawrzynczak, Duncan Laurie, Aamir Bohra, Srinidhi N Kaushik, Patrick Rudolph.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49408 )

Change subject: soc/intel/common: Add new IRQ block
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Patch Set 3:

(1 comment)

Patchset:

PS3:
> Sure Nico, I understand, Intel honestly hasn't made this very easy... […]

Thanks, I did not know that Intel ignores the PIRQ logic for
the LPSS devices. It also seems that they didn't add MSI support,
so for once these IRQs are actually used at OS runtime ;)