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/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 118ce83..0619957 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -747,8 +747,8 @@
  * Arguments: [1] pointer to void [1] int
  *
  * Purpose: Sets SCSI inquiry data strings for vendor, product
- * and revision level. Allows strings to be set in platform dependant
- * files instead of in OS dependant driver source.
+ * and revision level. Allows strings to be set in platform dependent
+ * files instead of in OS dependent driver source.
  */
 
 static void setinqstr(struct aac_dev *dev, void *data, int tindex)