can: m_can: fix coding style

This patch aligns code to match open parenthesis and removes a
trailing whitespace.

Fixes: eb38c205 ("can: rx-offload: rename can_rx_offload_queue_sorted() -> can_rx_offload_queue_timestamp()")
Fixes: f5071d9e ("can: m_can: m_can_handle_bus_errors(): add support for handling DLEC error on CAN-FD frames")
Reported-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/all/20230523062410.1984098-1-mkl@pengutronix.deSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>