sm8450-common: Update dpm property

Change-Id: I4cd06c478d71ca3878893a9af06bfce884368636

properties/system_ext.prop

@@ -1,5 +1,5 @@
 # DPM
-persist.vendor.dpm.feature=1
+persist.vendor.dpm.feature=11
 
 # Radio
 telephony.active_modems.max_count=2