ASoC: Remove needless snd_soc_dapm_sync() from machine driver inits

ALSA SoC core takes care of calling snd_soc_dapm_sync() at the end
snd_soc_instantiate_card() so there is no need to call it from machine
driver init functions.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/pxa/brownstone.c

@@ -70,8 +70,6 @@ static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd)
 	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
 	snd_soc_dapm_nc_pin(dapm, "IN2LN");
 
-	snd_soc_dapm_sync(dapm);
-
 	return 0;
 }