can: xilinx_can: fix typo prescalar -> prescaler

This patch fixes the typo prescalar -> prescaler.

Link: https://lore.kernel.org/all/20220609111424.3819039-1-mkl@pengutronix.deReported-by: Vincent MAILHOL <mailhol.vincent@wanadoo.fr>
Cc: Srinivas Neeli <srinivas.neeli@xilinx.com>
Cc: Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
Cc: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/xilinx_can.c

@@ -51,7 +51,7 @@ enum xcan_reg {
 
 	/* only on CAN FD cores */
 	XCAN_F_BRPR_OFFSET	= 0x088, /* Data Phase Baud Rate
-					  * Prescalar
+					  * Prescaler
 					  */
 	XCAN_F_BTR_OFFSET	= 0x08C, /* Data Phase Bit Timing */
 	XCAN_TRR_OFFSET		= 0x0090, /* TX Buffer Ready Request */
@@ -430,7 +430,7 @@ static int xcan_set_bittiming(struct net_device *ndev)
 		return -EPERM;
 	}
 
-	/* Setting Baud Rate prescalar value in BRPR Register */
+	/* Setting Baud Rate prescaler value in BRPR Register */
 	btr0 = (bt->brp - 1);
 
 	/* Setting Time Segment 1 in BTR Register */
@@ -447,7 +447,7 @@ static int xcan_set_bittiming(struct net_device *ndev)
 
 	if (priv->devtype.cantype == XAXI_CANFD ||
 	    priv->devtype.cantype == XAXI_CANFD_2_0) {
-		/* Setting Baud Rate prescalar value in F_BRPR Register */
+		/* Setting Baud Rate prescaler value in F_BRPR Register */
 		btr0 = dbt->brp - 1;
 		if (can_tdc_is_enabled(&priv->can)) {
 			if (priv->devtype.cantype == XAXI_CANFD)