ASoC: loongson: Add Loongson ASoC Sound Card Support

The Loongson ASoC Sound Card is a general ASoC DAI Link driver that
can be used for Loongson CPU DAI drivers and external CODECs.

The driver supports the use of ACPI table to describe device resources.
On loongson 7axxx platforms, the audio device is an ACPI device.

Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>
Link: https://lore.kernel.org/r/20230614122240.3402762-1-mengyingkun@loongson.cn


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