ASoC: SOF: add disable_function_topology flag

ASoC: SOF: add disable_function_topology flag

SOF driver will load required function topologies dynamically. However,
we prefer using the monolithic topology. Add a flag to allow user not
using the function topologies.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20250506113311.45487-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>