dt-bindings: can: xilinx_can: Add 'xlnx,has-ecc' optional property

dt-bindings: can: xilinx_can: Add 'xlnx,has-ecc' optional property

ECC feature added to CAN TX_OL, TX_TL and RX FIFOs of Xilinx AXI CAN
Controller.

ECC is an IP configuration option where counter registers are added in
IP for 1bit/2bit ECC errors.

'xlnx,has-ecc' is an optional property and added to Xilinx AXI CAN
Controller node if ECC block enabled in the HW

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Srinivas Goud <srinivas.goud@amd.com>
Link: https://lore.kernel.org/all/20240213-xilinx_ecc-v8-1-8d75f8b80771@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>