hal: Add support for multiples of Native sampling rate.

 -Add support for multples of  native sampling rate for codec
  where mixing is not supported and mixing happens in DSP.

Change-Id: Ic7ae205086a31c67a034703a60d984e0f4c4b085
diff --git a/hal/platform_api.h b/hal/platform_api.h
index f4acf1f..3c4e5ae 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -63,7 +63,8 @@
 enum {
     NATIVE_AUDIO_MODE_SRC = 1,
     NATIVE_AUDIO_MODE_TRUE_44_1,
-    NATIVE_AUDIO_MODE_MULTIPLE_44_1,
+    NATIVE_AUDIO_MODE_MULTIPLE_MIX_IN_CODEC,
+    NATIVE_AUDIO_MODE_MULTIPLE_MIX_IN_DSP,
     NATIVE_AUDIO_MODE_INVALID
 };