dt-binding: can: mcp251xfd: remove duplicate word

Remove duplicate word 'to' from microchip,rx-int-gpios description.

Signed-off-by: Ruffalo Lavoisier <ruffalolavoisier@gmail.com>
Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://patch.msgid.link/20241120044014.92375-1-RuffaloLavoisier@gmail.com


[mkl: rephrase subject and patch description]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>