ASoC: tegra-alt: machine driver for rt565x

ASoC: tegra-alt: machine driver for rt565x

Adding the machine driver to support rt565x family of
audio codecs from realtek.

 1) The button detection feature is pending which will
    be enabled going ahead.
 2) The sound card will be registered irrespective of
    whether the audio codec is present or not. This is
    required since all jetson-cv boards wont have audio
    codec connected.

Bug 200118114

Change-Id: Ie52bd4d3c303ebf25f2efed3d8c425e6d0273f0e
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-on: http://git-master/r/773857
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>