prepare for switch to new superuser

Change-Id: I69c992928e6552a76ba880a399d08e4f59d348e3
diff --git a/config/common.mk b/config/common.mk
index 5fccf65..4a79c93 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -1,5 +1,7 @@
 PRODUCT_BRAND ?= cyanogenmod
 
+SUPERUSER_EMBEDDED := true
+
 # To deal with CM9 specifications
 # TODO: remove once all devices have been switched
 ifneq ($(TARGET_BOOTANIMATION_NAME),)