Introduce block and sector erase routines, but do not use them yet

Corresponding to flashrom svn r155 and coreboot v2 svn r2881.

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