ASoC: Intel: catpt: Drop redundant enum constant

CATPT_SSP_IFACE_LAST is being used only to calculate CATPT_SSP_COUNT.
Make CATPT_SSP_COUNT part of the enum directly and remove the redundant
constant.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220403141647.1037173-1-cezary.rojewski@intel.com


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