The Allwinner D1 has two CAN controllers, both a variant of the R40
controller. Unfortunately the registers for the D1 controllers are
moved around enough to be incompatible and require a new compatible.

Introduce the "allwinner,sun20i-d1-can" compatible to support this.
Signed-off-by: John Watts <contact@jookia.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/all/20230721221552.1973203-3-contact@jookia.orgSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>