configs: msmnile: update sound trigger with FFECNS config

Add configuration params to support FFECNS module. Configure SVA to
work by default with barge-in feature where FFECNS can be enabled
on ADSP with 5 channel output to SVA module input.
Also remove the unsupported lsm usecases on this platform.

Change-Id: If69d0cb9ff90b5a0a7c02b55df46ed5adecb3c6e