ASoC: amd: acp: Make use of existing *_CODEC_DAI macros

ASoC: amd: acp: Make use of existing *_CODEC_DAI macros

The generic ACP machine driver provides macros for NAU88221 and MAX98388
codec DAI names, but in places it is still using directly the related
strings.

For consistency, replace all strings with the equivalent macros.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Link: https://msgid.link/r/20231219030728.2431640-3-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>