- f32x/Makefile: added support for building for different targets (for now,
just TARGET=om)
- f32x/c2-drv.h: interface for C2 drivers
- f32x/c2-om.c: updated title
- f32x/c2-om.c: renamed all c2_* to om_* and made them "static"
- f32x/c2-om.c (c2_om): driver operations
- f32x/c2.c: call driver operations
- f32x/c2.h: moved protocol constants to c2-drv.h
