Add CarInfo for Elantra GT and i30 (#26034)

Fixup car info for Elantra GT/i30

selfdrive/car/hyundai/values.py

@@ -110,7 +110,10 @@ CAR_INFO: Dict[str, Optional[Union[HyundaiCarInfo, List[HyundaiCarInfo]]]] = {
   CAR.ELANTRA: HyundaiCarInfo("Hyundai Elantra 2017-19", min_enable_speed=19 * CV.MPH_TO_MS, harness=Harness.hyundai_b),
   CAR.ELANTRA_2021: HyundaiCarInfo("Hyundai Elantra 2021-22", video_link="https://youtu.be/_EdYQtV52-c", harness=Harness.hyundai_k),
   CAR.ELANTRA_HEV_2021: HyundaiCarInfo("Hyundai Elantra Hybrid 2021-22", video_link="https://youtu.be/_EdYQtV52-c", harness=Harness.hyundai_k),
-  CAR.ELANTRA_GT_I30: None,  # dashcamOnly and same platform as CAR.ELANTRA
+  CAR.ELANTRA_GT_I30: [
+    HyundaiCarInfo("Hyundai Elantra GT 2017-19", harness=Harness.hyundai_e),
+    HyundaiCarInfo("Hyundai i30 2019", harness=Harness.hyundai_e),
+  ],
   CAR.HYUNDAI_GENESIS: HyundaiCarInfo("Hyundai Genesis 2015-16", min_enable_speed=19 * CV.MPH_TO_MS, harness=Harness.hyundai_j),  # TODO: check 2015 packages
   CAR.IONIQ: HyundaiCarInfo("Hyundai Ioniq Hybrid 2017-19", harness=Harness.hyundai_c),
   CAR.IONIQ_HEV_2022: HyundaiCarInfo("Hyundai Ioniq Hybrid 2020-22", harness=Harness.hyundai_h),  # TODO: confirm 2020-21 harness