can: m_can: fix typo prescalar -> prescaler

This patch fixes the typo prescalar -> prescaler.

Link: https://lore.kernel.org/all/20220610112037.3857192-1-mkl@pengutronix.deReviewed-by: Chandrasekar Ramakrishnan <rcsekar@samsung.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/m_can/m_can.c

@@ -1348,8 +1348,8 @@ static void m_can_chip_config(struct net_device *dev)
 	/* set bittiming params */
 	m_can_set_bittiming(dev);
 
-	/* enable internal timestamp generation, with a prescalar of 16. The
-	 * prescalar is applied to the nominal bit timing
+	/* enable internal timestamp generation, with a prescaler of 16. The
+	 * prescaler is applied to the nominal bit timing
 	 */
 	m_can_write(cdev, M_CAN_TSCC, FIELD_PREP(TSCC_TCP_MASK, 0xf));