ASoC: wm_adsp: Set ADSP1 clock rate to match sys clock

Sets the ADSP1 clock rate to match the system clock
rate. To support this the codec driver provides
details of register containing the system clock
control bits.

Signed-off-by: Chris Rattray <crattray@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 41206d7..cb8871a 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -40,6 +40,9 @@
 	struct regmap *regmap;
 
 	int base;
+	int sysclk_reg;
+	int sysclk_mask;
+	int sysclk_shift;
 
 	struct list_head alg_regions;