ASoC: Intel: Remove unused DSP interface fields

With redundant DSP operations removed, several fields for structures:
sst_ops, sst_addr and sst_dsp become obsolete. Remove them too.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Link: https://lore.kernel.org/r/20201006064907.16277-10-cezary.rojewski@intel.com


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