MLK-18497-8: ASoC: fsl: dsp: Add DSP audio platform driver

Reviewed-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
(cherry picked from commit a0e9fa3a5d60e9e8b093c53e2700fcd08a6c07fc)
TODO: checkpatch warnings
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>