can: mscan: mpc5xxx_can: mpc5xxx_can_probe(): use of_device_get_match_data to simplify code

Retrieve OF match data, it's better and cleaner to use
'of_device_get_match_data' over 'of_match_device'.

Link: https://lore.kernel.org/r/20210823113338.3568-4-tangbin@cmss.chinamobile.com


Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>