Soon there will be more than one driver in the source tree that will want to use these files. Compiling it as a library speeds the build since it won't have to be built for each driver that wants to link it in. Signed-off-by: Shaun Ruffell <sruffell@digium.com> Signed-off-by: Russ Meyerriecks <rmeyerriecks@digium.com>