ASoC: SOF: imx8: drop unneeded/unused macros/header includes

Drop some unneeded/unused macro definitions and header includes.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250207162246.3104-5-laurentiumihalcea111@gmail.com


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