Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index f672820..8bca8c2 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -93,7 +93,7 @@
 
 	/*
 	 * The blk helpers are used to the READ/WRITE requests
-	 * transfering data from a initiator point of view. Since
+	 * transferring data from a initiator point of view. Since
 	 * we are in target mode we want the opposite.
 	 */
 	rq = blk_get_request(shost->uspace_req_q, !write, gfp_mask);