ASoC: SOF: Remove strsplit_u32() and tokenize_input()

Make use of global integer-array parsing helper instead of the internal
one as both serve same purpose. With that, both strsplit_u32() and
tokenize_input() become unused so remove them.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220904102840.862395-3-cezary.rojewski@intel.com


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