Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 4d07f1e..f7bbde9 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -663,7 +663,7 @@
 	struct can_frame *cf;
 	struct sk_buff *skb;
 
-	/* propogate the error condition to the can stack */
+	/* propagate the error condition to the can stack */
 	skb = alloc_can_err_skb(ndev, &cf);
 	if (!skb) {
 		if (printk_ratelimit())