build system: Allow defining generic rules

Provide a mechanism to define rules that apply for a given filetype
(.c, .asl, ...) across all classes (ramstage, ...)

Change-Id: If45c526d294e0374c32efef01f0213c6b78b1e43
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9286
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed