flashchips: Add support for Winbond W25Q64JW

Tested: flash coreboot on kakadu and get successful result.

Change-Id: I8637129421a3b0f96bd8dffa4f50783ea6931967
Signed-off-by: Scott Chao <scott.chao@bitland.corp-partner.google.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/40275
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Original-Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Original-Tested-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70932
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2 files changed