Due to firmware manifest/signature differences, we have to use
different firmware names, so split CNL machine table in three (CNL,
CFL, CML).

The CFL table is currently empty since all known platforms use
HDaudio, but let's plan ahead.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191111222901.19892-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>