ASoC: Intel: mrfld: add bytes control for modules

This patch add support for various modules like eq etc for mrfld DSP.
All these modules will be exposed to usermode as bytes controls.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>