ASoC: mediatek: mt8186-rt5682: Add headset widgets with switches

Add DAPM widgets for headphones and headset microphone, with matching
switches, to allow toggling these paths based on the jack connection
status.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220922235951.252532-6-nfraprado@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>