ASoC: SOF: topology: fix parse fail issue for byte/bool tuple types

We are using sof_parse_word_tokens() to parse tokens with
bool/byte/short/word tuple types, here add the missing check, to fix the
parsing failure at byte/bool tuple types.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927200538.660-3-pierre-louis.bossart@linux.intel.com


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