[M] Change in flashrom[main]: flashchips: Add XMC25QH64A

[Eric Park (Code Review)]

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

Hello Anastasia Klimchuk, Nikolai Artemiev, Stefan Reinauer, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/flashrom/+/86990?usp=email

to look at the new patch set (#3).

Change subject: flashchips: Add XMC25QH64A
......................................................................

flashchips: Add XMC25QH64A

Based off of the now-abandoned GitHub pull request here:
https://github.com/flashrom/flashrom/pull/239

This commit applies the changes on top of the refactor where the flash
chip declarations were separated by vendor.

Change-Id: I5b11e30f0a5357a6cbb32ddb93f450de5364c60b
Co-authored-by: Ayushman Dutta 
Co-authored-by: "aiyion.prime" 
Signed-off-by: Eric Park 
---
M flashchips/xmc.c
M include/flashchips.h
2 files changed, 57 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/90/86990/3