Input: serio_driver - mark id_table and description as const

Memory pointed to by these fields is not supposed to change.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/serio.h b/include/linux/serio.h
index b555256..a31c95a 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -55,9 +55,9 @@
 
 struct serio_driver {
 	void *private;
-	char *description;
+	const char *description;
 
-	struct serio_device_id *id_table;
+	const struct serio_device_id *id_table;
 	bool manual_bind;
 
 	void (*write_wakeup)(struct serio *);