custom: add DSPManager specific lib and audio_effects

If we include DSPManager we should also add the specific
audio_effects.conf and libcyanogen-dsp lib

Change-Id: I425cf9316e96e37c142a1be348bd90e303a8faf1
diff --git a/config/packages.mk b/config/packages.mk
index 6ced316..0c4323b 100644
--- a/config/packages.mk
+++ b/config/packages.mk
@@ -12,6 +12,8 @@
 	Apollo \
 	DashClock \
 	DSPManager \
+	libcyanogen-dsp \
+	audio_effects.conf \
 	MonthCalendarWidget
 
 PRODUCT_PACKAGES += \