keys: Updated path for the signing makefile

Change-Id: I0b293829539682a8fc3b4b672f488b5c53f81282
diff --git a/config/common.mk b/config/common.mk
index 99db677..1b8a5e2 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -1,6 +1,5 @@
 PRODUCT_BRAND ?= cyanogenmod
 
--include vendor/cm-priv/keys.mk
 SUPERUSER_EMBEDDED := true
 SUPERUSER_PACKAGE_PREFIX := com.android.settings.cyanogenmod.superuser
 
@@ -296,4 +295,7 @@
   ro.modversion=$(CM_VERSION)
 
 -include vendor/cm/sepolicy/sepolicy.mk
+
+-include vendor/cm-priv/keys/keys.mk
+
 -include $(WORKSPACE)/hudson/image-auto-bits.mk