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/stop_machine.h b/include/linux/stop_machine.h
index 1808960..092dc9b 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -105,7 +105,7 @@
  * @cpus: the cpus to run the @fn() on (NULL = any online cpu)
  *
  * Description: This causes a thread to be scheduled on every cpu,
- * each of which disables interrupts.  The result is that noone is
+ * each of which disables interrupts.  The result is that no one is
  * holding a spinlock or inside any other preempt-disabled region when
  * @fn() runs.
  *