everywhere: fix typos

Fix a lot of typos

Signed-off-by: Nazar Kazakov <nazar.kazakov.work@gmail.com>
diff --git a/scripts/gen_kobject_list.py b/scripts/gen_kobject_list.py
index d93f5b4..8368799 100755
--- a/scripts/gen_kobject_list.py
+++ b/scripts/gen_kobject_list.py
@@ -119,7 +119,7 @@
     return "K_OBJ_%s" % name.upper()
 
 subsystems = [
-    # Editing the list is deprecated, add the __subsystem sentinal to your driver
+    # Editing the list is deprecated, add the __subsystem sentinel to your driver
     # api declaration instead. e.x.
     #
     # __subsystem struct my_driver_api {