Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 50c7c06..7affe9a 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -161,7 +161,7 @@
 			}
 			if (offset > 0 && offset > skb->len) {
 				pr_info("tc filter pedit"
-					" offset %d cant exceed pkt length %d\n",
+					" offset %d can't exceed pkt length %d\n",
 				       offset, skb->len);
 				goto bad;
 			}