GitLab

 - remove some copied functions (from 82802ab.c) and use the 82802ab equivalents
 - fix missing prototypes to *_82802ab functions

Corresponding to flashrom svn r941.

fix missing prototypes to _82802ab functions
Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>