Make maximum number of frequency response larger.

Bug: 64038649
Test: make
Change-Id: Ic41b9e48d5c4e33718cd8f1d7233e29daf0659fe
diff --git a/audio/include/system/audio.h b/audio/include/system/audio.h
index 724df6e..571cf0e 100644
--- a/audio/include/system/audio.h
+++ b/audio/include/system/audio.h
@@ -1086,7 +1086,7 @@
 /* the maximum length for the microphone id */
 #define AUDIO_MICROPHONE_ID_MAX_LEN 32
 /* max number of frequency responses in a frequency response table */
-#define AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES 32
+#define AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES 256
 /* max number of microphone */
 #define AUDIO_MICROPHONE_MAX_COUNT 32
 /* the value of unknown spl */