ASoC: Intel: bytcr_rt5651: Get platform data via dev_get_platdata()

Access to platform data via dev_get_platdata() getter to make code cleaner.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211007170250.27997-2-andriy.shevchenko@linux.intel.com


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