hal: Add support for haptics audio usecase

Add support to create haptics and audio pcm streams for
haptic audio usecase. Separate haptic and audio data from
audio buffer and write it to respective pcm streams.

Bug: 112439981
Test: make
Change-Id: Id59179461edf695fd4794c51426e6fcae6c2e8dc
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index be2b95e..6791ad6 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -424,6 +424,11 @@
     return device_id;
 }
 
+int platform_get_haptics_pcm_device_id()
+{
+    return -1;
+}
+
 int platform_get_snd_device_index(char *snd_device_index_name __unused)
 {
     return -ENODEV;