ASoC: arizona: Coalesce output power up delays

Save a bit of scheduling by coalescing all the output power up delays
into a single delay.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/arizona.h

@@ -77,6 +77,8 @@ struct arizona_priv {
 	int num_inputs;
 	unsigned int in_pending;
 
+	unsigned int out_up_pending;
+	unsigned int out_up_delay;
 	unsigned int out_down_pending;
 	unsigned int out_down_delay;