The ULP mode is too weak to drive headphones, causing distortion above
30-40% volume. Switch to LOHIFI as a more reasonable default.
Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/670 Signed-off-by: Val Packett <val@packett.cool> Signed-off-by: Jaroslav Kysela <perex@perex.cz>