mac80211: fix spelling errors

Use codespell to find spelling errors.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 4c74e8d..ee71bb6 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1634,7 +1634,7 @@
 		}
 		break;
 	case IEEE80211_CHANCTX_WILL_BE_REPLACED:
-		/* TODO: Perhaps the bandwith change could be treated as a
+		/* TODO: Perhaps the bandwidth change could be treated as a
 		 * reservation itself? */
 		ret = -EBUSY;
 		goto out;