thermal: msm_thermal: Define and implement device tree bindings

Define device tree bindings for MSM_THERMAL driver, and implement
matching code to make the driver abide to these bindings.

Change-Id: I6ed08a09f45f8748841cf44db601f28659e49d9c
Signed-off-by: Eugene Seah <eseah@codeaurora.org>
diff --git a/include/linux/msm_thermal.h b/include/linux/msm_thermal.h
index 47a8753..8b7bb7c 100644
--- a/include/linux/msm_thermal.h
+++ b/include/linux/msm_thermal.h
@@ -24,11 +24,16 @@
 
 #ifdef CONFIG_THERMAL_MONITOR
 extern int msm_thermal_init(struct msm_thermal_data *pdata);
+extern int msm_thermal_device_init(void);
 #else
 static inline int msm_thermal_init(struct msm_thermal_data *pdata)
 {
 	return -ENOSYS;
 }
+static inline int msm_thermal_device_init(void)
+{
+	return -ENOSYS;
+}
 #endif
 
 #endif /*__MSM_THERMAL_H*/