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/osst.h b/drivers/scsi/osst.h
index 11d26c5..b4fea98 100644
--- a/drivers/scsi/osst.h
+++ b/drivers/scsi/osst.h
@@ -413,7 +413,7 @@
  * AUX
  */
 typedef struct os_aux_s {
-        __be32          format_id;              /* hardware compability AUX is based on */
+        __be32          format_id;              /* hardware compatibility AUX is based on */
         char            application_sig[4];     /* driver used to write this media */
         __be32          hdwr;                   /* reserved */
         __be32          update_frame_cntr;      /* for configuration frame */