VW MQB: add missing 2019 Polo MK6 FW (#27822)

Route No1 ：0bbe367c98fa1538|2023-04-06--13-28-30--0
Route No2 ：0bbe367c98fa1538|2023-04-06--13-35-01--0

Co-authored-by: Shane Smiskol <shane@smiskol.com>

selfdrive/car/volkswagen/values.py

@@ -672,9 +672,11 @@ FW_VERSIONS = {
       b'\xf1\x8704C906025H \xf1\x895177',
     ],
     (Ecu.transmission, 0x7e1, None): [
+      b'\xf1\x870CW300042D \xf1\x891612',
       b'\xf1\x870CW300050D \xf1\x891908',
     ],
     (Ecu.srs, 0x715, None): [
+      b'\xf1\x872Q0959655AG\xf1\x890248\xf1\x82\x1218130411110411--04040404231811152H14',
       b'\xf1\x872Q0959655AJ\xf1\x890250\xf1\x82\x1248130411110416--04040404784811152H14',
     ],
     (Ecu.eps, 0x712, None): [