flashchips: Split W25Q256.V

The W25Q256JV supports the full set of 4BA instructions, including two
native-4BA block erasers.

Signed-off-by: Nico Huber <nico.h@gmx.de>
Change-Id: I1a68121ff40d2b1769632d8e5151c2cd972c23ef
Ticket: https://ticket.coreboot.org/issues/362
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/64599
Original-Reviewed-by: Thomas Heijligen <src@posteo.de>
1 file changed