PMH7: Add chip config

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6486 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb
index f47fdae..d5ba7d9 100644
--- a/src/mainboard/lenovo/x60/devicetree.cb
+++ b/src/mainboard/lenovo/x60/devicetree.cb
@@ -85,6 +85,7 @@
 				chip ec/lenovo/pmh7
 					device pnp ff.1 on # dummy
 					end
+					register "backlight_enable" = "0x01"
 				end
 				chip ec/lenovo/h8
 					device pnp ff.2 on # dummy