hal: Add matrix limiter support

Matrix limiter is used to prevent saturation
when mixing multiple audio streams. It is
enabled when both the BD output flag is set
and the property audio.matrix.limiter.enable
is set to true.

Change-Id: Ibf06bd2444874ae555e98a26ed645f2455a3e1a3
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 340d1cb..a15c399 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -546,6 +546,7 @@
  */
 #define DEVICE_PARAM_MUTE_ID    0
 #define DEVICE_PARAM_LATENCY_ID 1
+#define DEVICE_PARAM_LIMITER_ID 2
 
 #define ENUM_TO_STRING(X) #X