ASoC: amd: Additional DAI for I2S SP instance.

I2S SP instance has separate BCLK and LRCLK for Tx and Rx.
Creating additional DAI for Rx.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
Link: https://lore.kernel.org/r/1579261510-12580-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com


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