Replace most of the switch cases in the spi code with lookup on a struct instead

This brings the SPI code in line with the generic programmer
infrastructure.

This patch is a reworked version of a patch by Jakob Bornecrantz.

Corresponding to flashrom svn r657.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
3 files changed