disable updater for oneplus EONs

selfdrive/updated.py

@@ -310,10 +310,9 @@ def main():
   if params.get("DisableUpdates") == b"1":
     raise RuntimeError("updates are disabled by the DisableUpdates param")
 
-  # TODO: enable this before 0.8.1 release
-  #leon = "letv" in open("/proc/cmdline").read()
-  #if EON and not leon:
-  #  raise RuntimeError("updates are disabled due to device deprecation")
+  # TODO: remove this after next release
+  if EON and "letv" not in open("/proc/cmdline").read():
+    raise RuntimeError("updates are disabled due to device deprecation")
 
   if EON and os.geteuid() != 0:
     raise RuntimeError("updated must be launched as root!")