Add overlay
diff --git a/product/common.mk b/product/common.mk
index 5b0a958..a303219 100644
--- a/product/common.mk
+++ b/product/common.mk
@@ -12,3 +12,5 @@
 
 PRODUCT_COPY_FILES += \
     vendor/cyanogen/CHANGELOG:system/etc/CHANGELOG-CM.txt
+
+PRODUCT_PACKAGE_OVERLAYS := vendor/cyanogen/overlay