can: sja1000: Fix comment

There is likely a copy-paste error here, as the exact same comment
appears below in this function, one time calling set_reset_mode(), the
other set_normal_mode().

Fixes: 429da1cc ("can: Driver for the SJA1000 CAN controller")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/all/20230922155130.592187-1-miquel.raynal@bootlin.com


Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>