sm8450-common: Enable CNE feature

Change-Id: I831a234f2ea055e57fe22db823c86f52a8fd6491

properties/system.prop

@@ -1,6 +1,9 @@
 # Charger
 ro.charger.enable_suspend=1
 
+# CNE
+persist.vendor.cne.feature=1
+
 # Graphics
 debug.sf.disable_backpressure=1