fix lexus is fw fingerprinting

selfdrive/car/fw_versions.py

@@ -127,8 +127,8 @@ def match_fw_to_car(fw_versions):
       if ecu_type == Ecu.esp and candidate in [TOYOTA.RAV4, TOYOTA.COROLLA, TOYOTA.HIGHLANDER] and found_version is None:
         continue
 
-      # TODO: COROLLA_TSS2 engine can show on two different addresses
+      # TODO: on some toyota, the engine can show on two different addresses
-      if ecu_type == Ecu.engine and candidate in [TOYOTA.COROLLA_TSS2, TOYOTA.CHR] and found_version is None:
+      if ecu_type == Ecu.engine and candidate in [TOYOTA.COROLLA_TSS2, TOYOTA.CHR, TOYOTA.LEXUS_IS] and found_version is None:
         continue
 
       # ignore non essential ecus