ASoC: fsl_ssi: Use of_device_get_match_data()

The retrieval of driver data via of_device_get_match_data() can make
the code simpler.

Use of_device_get_match_data() to simplify the code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210118123815.1630882-1-festevam@gmail.com


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