GitLab

- Add eraseblock definitions
- Use correct eraseblock sizes (the datasheet is a bit ambiguous)
- Use correct probe function
- Fill in probe timing

There is a lot more stuff left to clean up, but at least probe and erase
should work now.

Corresponding to flashrom svn r837.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>