Improve flashrom SPI abstraction, second step

This paves the way to have a fully generic generic_spi_command without
knowledge about any SPI controller.

The third step would be calling SPI controller functions via a function
pointer.

Corresponding to flashrom svn r224 and coreboot v2 svn r3296.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Peter Stuge <peter@stuge.se>
1 file changed