X201: Enable expresscard hotplug.

Change-Id: Ieefc2ad775c16de9aa974b2602d55ee047c9f568
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4643
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb
index f45fadf..a8831c2 100644
--- a/src/mainboard/lenovo/x201/devicetree.cb
+++ b/src/mainboard/lenovo/x201/devicetree.cb
@@ -129,6 +129,11 @@
 			device pci 1b.0 on # Audio Controller
 				subsystemid 0x17aa 0x215e
 			end
+
+			device pci 1c.0 on end # PCIe Port #1
+			device pci 1c.3 on end # PCIe Port #4 (Expresscard)
+			device pci 1c.4 on end # PCIe Port #4 (wlan)
+
 			device pci 1d.0 on # USB2 EHCI
 				subsystemid 0x17aa 0x2163
 			end