ASoC: Intel: catpt: Streamline locals declaration for PCM-functions

Group all the catpt_xxx structs together in PCM related functions so
they look more cohesive.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211216115743.2130622-4-cezary.rojewski@intel.com


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