qssi: Set AUDIO_FEATURE_ENABLED_AUDIOSPHERE to true

AUDIO_FEATURE_ENABLED_AUDIOSPHERE is set for other targets
and needs to be set for qssi config files as well.

Change-Id: Ibed2a6319215e4cbc504cf9429f0c3fb94ac1a80
diff --git a/configs/qssi/qssi.mk b/configs/qssi/qssi.mk
index 26f6af2..c72d813 100644
--- a/configs/qssi/qssi.mk
+++ b/configs/qssi/qssi.mk
@@ -21,6 +21,7 @@
 AUDIO_FEATURE_ENABLED_APE_OFFLOAD := true
 AUDIO_FEATURE_ENABLED_AAC_ADTS_OFFLOAD := true
 AUDIO_FEATURE_ENABLED_PROXY_DEVICE := true
+AUDIO_FEATURE_ENABLED_AUDIOSPHERE := true
 AUDIO_FEATURE_ENABLED_3D_AUDIO := true
 DOLBY_ENABLE := false
 endif