Change in flashrom[master]: ich_descriptors.c: Fix PCH detection for Tiger Lake

[Michał Żygowski (Code Review)]

Attention is currently required from: Nico Huber, Angel Pons.
Michał Żygowski has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/55577 )

Change subject: ich_descriptors.c: Fix PCH detection for Tiger Lake
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Patch Set 1:

(1 comment)

File ich_descriptors.c:

https://review.coreboot.org/c/flashrom/+/55577/comment/0a067069_c7b5b8b7 
PS1, Line 955: CHIPSET_300_SERIES_CANNON_POINT
> Intel refers to it as TGP (also for Rocket Lake), so Tiger Point seems […]

FMSBA is just shifted 2 bits left in the register and occupies 10 bits, that is why it did not catch the `< 0x30` condition.

Right, FLUMAP[31:15] now contains some data. So basically what you mean is:
if it is not zero, then we have 300 series+ chipset
right?