ASoC: SOF: remove references to Haswell

There are no known commercial devices using Haswell, and there is no
support for Haswell in SOF so remove remaining definitions and
structures.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191217202231.18259-5-pierre-louis.bossart@linux.intel.com


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