ASoC: SOF: Intel: hda: define macro for code loader stream format

This will be used for the ICCMAX stream as well.

Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20200826184532.1612070-6-ranjani.sridharan@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>