LF-5093-10: dts: arm64: freescale: imx8mn evk: hifiberry dac update

Update device tree bindings to use fsl asoc parse
utils to handle audio hats with multiple codecs

Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>