ASoC: amd: add vangogh i2s controller driver

Add Vangogh I2S controller driver to support two I2S controller
instances.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20210721180430.11571-9-Vijendar.Mukunda@amd.com


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