can: net: fix spelling mistakes

This patch fixes spelling erros found by "codespell" in the net/can
subtree.

Link: https://lore.kernel.org/r/20200915223527.1417033-5-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

net/can/af_can.c

@@ -358,7 +358,7 @@ static unsigned int effhash(canid_t can_id)
  *
  * Return:
  *  Pointer to optimal filterlist for the given can_id/mask pair.
- *  Constistency checked mask.
+ *  Consistency checked mask.
  *  Reduced can_id to have a preprocessed filter compare value.
  */
 static struct hlist_head *can_rcv_list_find(canid_t *can_id, canid_t *mask,
@@ -411,7 +411,7 @@ static struct hlist_head *can_rcv_list_find(canid_t *can_id, canid_t *mask,
 /**
  * can_rx_register - subscribe CAN frames from a specific interface
  * @net: the applicable net namespace
- * @dev: pointer to netdevice (NULL => subcribe from 'all' CAN devices list)
+ * @dev: pointer to netdevice (NULL => subscribe from 'all' CAN devices list)
  * @can_id: CAN identifier (see description)
  * @mask: CAN mask (see description)
  * @func: callback function on filter match