alsa_sound: enable csd-client for fusion3 voice call

Change-Id: Ibefe43d9dc669af74c88b8f4054af7ca5ce2caac
diff --git a/alsa_sound/AudioHardwareALSA.h b/alsa_sound/AudioHardwareALSA.h
index 9cc22d7..0dcc672 100644
--- a/alsa_sound/AudioHardwareALSA.h
+++ b/alsa_sound/AudioHardwareALSA.h
@@ -19,6 +19,8 @@
 #ifndef ANDROID_AUDIO_HARDWARE_ALSA_H
 #define ANDROID_AUDIO_HARDWARE_ALSA_H
 
+#define QCOM_CSDCLIENT_ENABLED 1
+
 #include <utils/List.h>
 #include <hardware_legacy/AudioHardwareBase.h>