ASoC: Intel: kbl: fix wrong number of channels

[ Upstream commit d6ba3f815bc5f3c4249d15c8bc5fbb012651b4a4 ]

Fix wrong setting on number of channels.  The context wants to set
constraint to 2 channels instead of 4.
Signed-off-by: NTzung-Bi Shih <tzungbi@google.com>
Acked-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>

sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c

@@ -406,7 +406,7 @@ static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 };
 
 static const unsigned int dmic_2ch[] = {
-	4,
+	2,
 };
 
 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {