ASoC: Intel: avs: Add probe machine board

Stub machine board driver with no custom DAPM routes and single FE DAI
link for userspace to interact with.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20221202152841.672536-13-cezary.rojewski@intel.com


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