Add Winbond W25X16

Tested probing and reading only. The chip ID was already
in flashchips.h.

Corresponding to flashrom svn r648.

Signed-off-by: Hector Martin <hector@marcansoft.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
1 file changed