MLK-21940-3: ASoC: fsl_easrc: Add support new asrc module

MLK-21940-3: ASoC: fsl_easrc: Add support new asrc module

EASRC (Enhanced ASRC) is a new IP module found on i.MX8 MN. It is
different from old ASRC module.

The primary features for the EASRC are as follows:
1. 4 Contexts - groups of channels with an independent time base
2. Fully independent and concurrent context control
3. Simultaneous processing of up to 32 audio channels
4. Programmable filter charachteristics for each context
5. 32, 24, 20, and 16-bit fixed point audio sample support
6. 32-bit floating point audio sample support
7. 8kHz to 384kHz sample rate
8. 1/16 to 8x sample rate conversion ratio
9. Software control of fine conversion ratio

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>