Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/linux/cm4000_cs.h b/include/linux/cm4000_cs.h
index 72bfefd..3c4aac4 100644
--- a/include/linux/cm4000_cs.h
+++ b/include/linux/cm4000_cs.h
@@ -20,7 +20,7 @@
 } atreq_t;
 
 
-/* what is particularly stupid in the original driver is the arch-dependant
+/* what is particularly stupid in the original driver is the arch-dependent
  * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
  * will lay out the structure members differently than the 64bit kernel.
  *