Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/kernel/wait.c b/kernel/wait.c
index b0310eb..f45ea8d 100644
--- a/kernel/wait.c
+++ b/kernel/wait.c
@@ -142,7 +142,7 @@
  * woken up through the queue.
  *
  * This prevents waiter starvation where an exclusive waiter
- * aborts and is woken up concurrently and noone wakes up
+ * aborts and is woken up concurrently and no one wakes up
  * the next waiter.
  */
 void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait,