ASoC: rouleur: Update hph registers based on foundry id

Rouleur has different hph settings for different foundry
id. Read foundry id and update hph settings so as to
provide same settings to end user.

Change-Id: I114047226462ab95e0c93271c3d6099f15af2343
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>

asoc/codecs/rouleur/pm2250-spmi.h

@@ -7,11 +7,16 @@
 
 #ifdef CONFIG_PM2250_SPMI
 int pm2250_spmi_write(struct device *dev, int reg, int value);
+int pm2250_spmi_read(struct device *dev, int reg, int *value);
 #else
 int pm2250_spmi_write(struct device *dev, int reg, int value)
 {
 	return 0;
 }
+int pm2250_spmi_read(struct device *dev, int reg, int *value);
+{
+	return 0;
+}
 #endif	/* CONFIG_PM2250_SPMI */
 
 #endif