ASoC: pcm186x: Fix device reset-registers trigger value

According to the current device datasheet (TI Lit # SLAS831D, revised
March 2018) the value written to the device's PAGE register to trigger
a complete register reset should be 0xfe, not 0xff. So go ahead and
update to the correct value.
Reported-by: NStephane Le Provost <stephane.leprovost@mediatek.com>
Tested-by: NStephane Le Provost <stephane.leprovost@mediatek.com>
Signed-off-by: NAndreas Dannenberg <dannenberg@ti.com>
Acked-by: NAndrew F. Davis <afd@ti.com>
Signed-off-by: NMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

sound/soc/codecs/pcm186x.h

@@ -139,7 +139,7 @@ enum pcm186x_type {
 #define PCM186X_MAX_REGISTER		PCM186X_CURR_TRIM_CTRL
 
 /* PCM186X_PAGE */
-#define PCM186X_RESET			0xff
+#define PCM186X_RESET			0xfe
 
 /* PCM186X_ADCX_INPUT_SEL_X */
 #define PCM186X_ADC_INPUT_SEL_POL	BIT(7)