Refine SPI AAI support

Modernize SPI AAI code, blacklist IT87 SPI for AAI, allow AAI to run
without warnings on ICH/VIA SPI. Add some code to make conversion to
partial write possible for AAI.

Corresponding to flashrom svn r1052.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>
2 files changed