[flashrom-gerrit] Change in flashrom[master]: Add support for Intel Emmitsburg PCH

[David Hendricks (Code Review)]

Attention is currently required from: Arthur Heymans, Nico Huber, Jonathan Zhang, David Hendricks, Edward O'Callaghan, Angel Pons.
David Hendricks has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/57635 )

Change subject: Add support for Intel Emmitsburg PCH
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Patch Set 3:

(2 comments)

Commit Message:

https://review.coreboot.org/c/flashrom/+/57635/comment/8eab8fa1_b5f5ac99 
PS1, Line 16: TESTED=tried on a server with Intel Emmitsburg PCH, flash update
            : was successful. This server, however, does not have flash chip
            : installed, it instead has em100 emulator connected.
> I was able to run another round of tests on Archer City CRB with this patch chain and confirmed that […]

Done

File ich_descriptors.c:

https://review.coreboot.org/c/flashrom/+/57635/comment/22c6253a_6634ae01 
PS3, Line 952: Ibex Peak is historically used as the default
> Just because it was the newest mainstream platform on the `ICCRIBA == 0x00` path.

So if we add a newer chipset with `ICCRIBA == 0x00` and more straps then it should become the default? (ignoring the `FLMAP2 == 0` path)