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/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index 55b8370..474009a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -436,7 +436,7 @@
  * @finished_rb_num [0:11] - Indicates the index of the current RB
  * 	in which the last frame was written to
  * @finished_fr_num [0:11] - Indicates the index of the RX Frame
- * 	which was transfered
+ * 	which was transferred
  */
 struct iwl_rb_status {
 	__le16 closed_rb_num;