lenovo/x60: Support digitizer on X60t and X201t.

Change-Id: I5b0399a8edca3b73aa7d515d2c446c31b3239fa5
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5239
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb
index 9053f89..1db5bf0 100644
--- a/src/mainboard/lenovo/x201/devicetree.cb
+++ b/src/mainboard/lenovo/x201/devicetree.cb
@@ -143,6 +143,20 @@
 			end
 			device pci 1f.0 on # PCI-LPC bridge
 				subsystemid 0x17aa 0x2166
+				chip superio/nsc/pc87382
+					device pnp 164e.3 on # Digitizer
+						io 0x60 = 0x200
+						irq 0x29 = 0xb0
+						irq 0x70 = 0x5
+						irq 0xf0 = 0x82
+					end
+					# IR, not connected
+					device pnp 164e.2 off end
+					# GPIO, not connected
+					device pnp 164e.7 off end
+					# DLPC, not connected
+					device pnp 164e.19 off end
+				end
 			end
 			device pci 1f.2 on # IDE/SATA
 				subsystemid 0x17aa 0x2168