ASoC: doc: dapm: fix typos

Fix various typos.

Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://lore.kernel.org/r/20240426-dapm-docs-v2-1-87b07547eb5b@bootlin.com


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