Introduce a compile time option to select a default programmer

Heavily influenced by a discussion with (and based on code from) Peter Stuge.
Please read the comment in the Makefile before using this option.

Corresponding to flashrom svn r1607.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Peter Stuge <peter@stuge.se>
2 files changed