doc: update 00-INDEX for Documentation/laptops/

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/laptops/00-INDEX b/Documentation/laptops/00-INDEX
index ee5692b..df4fb52 100644
--- a/Documentation/laptops/00-INDEX
+++ b/Documentation/laptops/00-INDEX
@@ -2,6 +2,10 @@
 	- This file
 acer-wmi.txt
 	- information on the Acer Laptop WMI Extras driver.
+asus-laptop.txt
+	- information on the Asus Laptop Extras driver.
+disk-shock-protection.txt
+	- information on hard disk shock protection.
 laptop-mode.txt
 	- how to conserve battery power using laptop-mode.
 sony-laptop.txt