Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 6ae3d11..8e46405 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -1,6 +1,6 @@
 /*
  * Common Flash Interface support:
- *   Generic utility functions not dependant on command set
+ *   Generic utility functions not dependent on command set
  *
  * Copyright (C) 2002 Red Hat
  * Copyright (C) 2003 STMicroelectronics Limited