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

[David Hendricks (Code Review)]

Attention is currently required from: Jonathan Zhang.
David Hendricks has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/54965 )

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

(1 comment)

Patchset:

PS1:
> > I'm not talking about the detection. I mean if anybody checked that […]

Note: I checked Purley and Whitley BKC images and they use 0x8b (139) as the ISL value, according to `ifdtool`. I also checked a couple other EBG BKC images and they use 0x50 (80). Both Whitley and Purley use the Lewisburg chipset.

So for Lewisburg I think we should check for both 80 and 139.