UPSTREAM: flashchips: Add Support for XMC XM25LU64C Add initial support for the SPI flash chip XM25LU64C Datasheet link: https://www.xmcwh.com/uploads/954/XM25LU64C%20_%20Ver1.4.pdf XM25QU64C/XM25LU64C Tested with ch341a programmer: probe, read, write, erase (cherry picked from commit 252499003cb0b27fd16d83c72b1263dc49621d76) Original-Change-Id: I8d1af7fbfb4c45db09ed5ac82c683d273c8151c7 Original-Signed-off-by: Kan Sun <ssunkkan@gmail.com> Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/84775 Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Original-Reviewed-by: Anastasia Klimchuk <aklm@chromium.org> GitOrigin-RevId: 252499003cb0b27fd16d83c72b1263dc49621d76 Cr-Build-Id: 8732568628815896817 Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8732568628815896817 Copybot-Job-Name: flashrom-main-copybot-downstream Change-Id: I2ec7e09c15602aa11d7a50772ec009cefbfb9de5 Signed-off-by: chromeos-ci-prod <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/5961976 Reviewed-by: Hsuan Ting Chen <roccochen@chromium.org> Commit-Queue: Hsuan Ting Chen <roccochen@chromium.org> Tested-by: Hsuan Ting Chen <roccochen@chromium.org>