Add compatible string and new attributes to support the Xilinx CAN
FD 2.0.
Signed-off-by: NShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>