[S] Change in flashrom[main]: flashchips.c: Add support for XM25RU256C

[Georg Gottleuber (Code Review)]

Attention is currently required from: Georg Gottleuber, 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/+/82101?usp=email

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

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: flashchips.c: Add support for XM25RU256C
......................................................................

flashchips.c: Add support for XM25RU256C

Tested read, write and erase with ch341a_spi programmer (and 1.8V
adapter).

Test log:
https://paste.flashrom.org/view.php?id=3729

Change-Id: I431474a662304d09438e274706d3fc9cfbbe0bd6
Signed-off-by: Georg Gottleuber 
---
M flashchips.c
M include/flashchips.h
2 files changed, 43 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/01/82101/3