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Ensures that the different CCCR regmasks for m_can revs 3.0.x, 3.1.x,
3.2.x and 3.3.x are clearly distinguishable. Removes incorrect
CCCR_CANFD define. Adds bit fields UTSU and WMM for rev 3.3.x, for
completeness.

Link: https://lore.kernel.org/r/20210504125123.500553-3-torin@maxiluxsystems.com

Signed-off-by: Torin Cooper-Bennun <torin@maxiluxsystems.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>