Change in coreboot[master]: util/ifdtool: Add additional regions for platforms that support them

[Jeff Daly (Code Review)]

Attention is currently required from: Paul Menzel, Stefan Reinauer, Angel Pons, Kyösti Mälkki.
Jeff Daly has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60736 )

Change subject: util/ifdtool: Add additional regions for platforms that support them
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Patch Set 4:

(1 comment)

File util/ifdtool/ifdtool.c:

https://review.coreboot.org/c/coreboot/+/60736/comment/63b20f7d_033bdd2d 
PS4, Line 50: 	{ "10GbB", "10gbb", "flashregion_12_10gbeB.bin", "SI_10GBB" },
> Hmmm, just learned that this region is "Option ROM" for Lewisburg. No idea what it is used for.

I *believe* that this is for when LBG is used in Endpoint-Only Mode.  Basically it can be 4 port ethernet MAC on it's own as an adapter card.  This flash region would be where the link equalization parameters are stored.  I don't think that this is applicable in a coreboot-usage case.  HTH.