Switch to use internal PLL for iMCLK

Merge series from Hui Wang <hui.wang@canonical.com>:

Taking your advice and try to enable internal PLL to get a more
accurate sample rate. And I also changed the fsl-asoc-card.c to support
the nau8822 codec, now the sound quality is pretty good on my imx6sx
EVB.
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Mark Brown 2022-06-07 11:53:44 +01:00
commit 2947683c53
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