BACKPORT: FROMLIST: mtd: spi-nor: xmc: Add support for XM25LU64C The device is...

BACKPORT: FROMLIST: mtd: spi-nor: xmc: Add support for XM25LU64C The device is produced by Wuhan Xinxin Semiconductor Manufacturing Corp. (XMC) and found on some routers from Chinese manufactures.

The data sheet can be found here:
https://www.xmcwh.com/uploads/954/XM25LU64C%20_%20Ver1.4.pdf



Signed-off-by: Kankan Sun <ssunkkan@gmail.com>
(am from https://lore.kernel.org/all/20241103142126.3406-1-ssunkkan@gmail.com/

)

Conflicts:
  drivers/mtd/spi-nor/xmc.c
  flash_info format is different with upstream,
  so modify flash_info manually.

BUG=b:376390658
UPSTREAM-TASK=b:391057683
TEST=cros workon --board rauru start chromeos-kernel-6_6
emerge-rauru chromeos-kernel-6_6

Signed-off-by: Alvin1 Chen <alvin1.chen@lcfc.corp-partner.google.com>
Change-Id: I3527fda9167dd73ffd1e148200737aef650593f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/6091134


Reviewed-by: Fei Shao <fshao@chromium.org>
Reviewed-by: Knox Chiou <knoxchiou@chromium.org>
Commit-Queue: Knox Chiou <knoxchiou@chromium.org>
Signed-off-by: Hubert Mazur <hmazur@google.com>