RTEMS | can/ctucanfd: use STM mode if CAN_CTRLMODE_PRESUME_ACK is set (!379)

[Michal Lenc (@michallenc)]

Michal Lenc created a merge request: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/379

Project:Branches: michallenc/rtems:ctucanfd-ack-mode to rtems/rtos/rtems:main
Author:   Michal Lenc




## Summary

Self Test mode in CTU CAN FD has generally better much for
`CAN_CTRLMODE_PRESUME_ACK` mode compared to self-acknowledge mode (`SAM`)
It considers transmitted frame valid even if dominant acknowledge bit
was not receive, therefore it presumes acknowledge.

Moreover, this mode is available even in older CTU CAN FD versions.

This solves #5197.


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