VW MLB: longitudinal support for cars on ACC_01

[oscarmcnulty]

Add longitudinal support for the subset of MLB cars that use ACC_01 for long control.

• Longitudinal requires stock ACC as ECU has a latching fault if ACC_01 isn't sent shortly after key on. Basic CC does not send this message.
• There is a hard minimum speed of 15kph observed. (stock ACC has a min engage speed of ~25kph and disengages about ~16kph).
• Max deceleration is limited to -2.95m/s^2. There is a fault thrown when the deceleration command is -3.0 for ~5 frames in testing so -2.95 gives some buffer. Example fault 15e6fc3f7f90b0c5/00000178--9cb7aaf2a4/40.
• Switch to MO_BLS is necessary to prevent faults as MO_Fahrer_bremst has significantly higher delay and ECU throws a latching fault when ACC is commanded while braking is happening.

MLB cars that use the ACC_05 message (Porsche Macan) are not covered in this PR but should be supportable in a very similar way with full stop-and-go functionality possible.

TODO: Validation route

Validation

• Dongle ID:
• Route:

[github-actions]

Car behavior report

Replays driving segments through this PR and compares the behavior to master.
Please review any changes carefully to ensure they are expected.

Testing 130 segments for: VOLKSWAGEN_ARTEON_MK1, VOLKSWAGEN_ATLAS_MK1, VOLKSWAGEN_CRAFTER_MK2, VOLKSWAGEN_GOLF_MK7, VOLKSWAGEN_JETTA_MK7, VOLKSWAGEN_PASSAT_MK8, VOLKSWAGEN_PASSAT_NMS, VOLKSWAGEN_POLO_MK6, VOLKSWAGEN_TAOS_MK1, VOLKSWAGEN_TIGUAN_MK2, VOLKSWAGEN_TOURAN_MK2, VOLKSWAGEN_TRANSPORTER_T61, VOLKSWAGEN_TROC_MK1

✅ 0 changed, 130 passed, 0 errors