hal: Support config selection for playback on speaker

Support bit width selection for playback on speakers based on
platform info.

Change-Id: I8dd2cc7049186e7468615a43db550d7d580a81d1
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 7b945cf..b4476f5 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -1035,6 +1035,18 @@
     return acdb_device_table[snd_device];
 }
 
+int platform_set_snd_device_bit_width(snd_device_t snd_device, unsigned int bit_width)
+{
+    ALOGE("%s: Not implemented", __func__);
+    return -ENOSYS;
+}
+
+int platform_get_snd_device_bit_width(snd_device_t snd_device)
+{
+    ALOGE("%s: Not implemented", __func__);
+    return -ENOSYS;
+}
+
 int platform_send_audio_calibration(void *platform, snd_device_t snd_device,
                                     int app_type, int sample_rate)
 {