In case TDM is set in topology on SSP0, parser will overwrite vindex
value, because it only checks if port is set. Fix this by checking whole
field value.

Fixes: e6d50e47 ("ASoC: Intel: avs: Improve topology parsing of dynamic strings")
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20240207112624.2132821-1-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>