hal: Add new feature flag for daemon support

Add AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT feature flag
to enable acdb-loader and audio-hal-plugin daemon use
from hal.

Change-Id: I4b80f0bc4dda21a254667ba79f4e02ff80c84d6c
diff --git a/configs/msmsteppe_au/msmsteppe_au.mk b/configs/msmsteppe_au/msmsteppe_au.mk
index f1a143e..c34c9eb 100644
--- a/configs/msmsteppe_au/msmsteppe_au.mk
+++ b/configs/msmsteppe_au/msmsteppe_au.mk
@@ -76,6 +76,7 @@
 AUDIO_FEATURE_ENABLED_AUDIO_CONTROL_HAL := true
 ifneq ($(ENABLE_HYP),true)
 AUDIO_FEATURE_ENABLED_AUTO_AUDIOD := true
+AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT := true
 endif
 AUDIO_FEATURE_ENABLED_FM_TUNER_EXT := true
 ##AUTOMOTIVE_AUDIO_FEATURE_FLAGS