[S] Change in flashrom[main]: flashchips: Add XMC XM25QH64A

[Eric Park (Code Review)]

Attention is currently required from: Anastasia Klimchuk, Nikolai Artemiev, Stefan Reinauer.

Eric Park has posted comments on this change by Eric Park. ( https://review.coreboot.org/c/flashrom/+/86990?usp=email )

Change subject: flashchips: Add XMC XM25QH64A
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Patch Set 7: Code-Review+1

(2 comments)

Patchset:

PS7: 
Finished testing, ready for final review/merge

File flashchips/xmc.c:

https://review.coreboot.org/c/flashrom/+/86990/comment/62c61e02_2e23a512?usp... :
PS6, Line 337: TEST_OK_PREW
> I can test wiping the chip that I have and rewriting with the bin I pulled off originally; can we le […]

I've finished testing wiping/writing the chip and it works flawlessly. Verified by wiping, pulling an image, verifying it's empty, then rewriting the original firmware bin file and making sure the appliance still works. Please let me know if there is anything else to modify before merging!