flashchips: Add untested Winbond W25Q128.W

Only difference to its sibling W25Q128.V seems to be the supply voltage.

Change-Id: I34ce7f1bdd0d2fb1b065031e5a689bb16ffc70db
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/19436
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
2 files changed