X60: add thermal zone 0

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

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6434 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/lenovo/x60/acpi/ec.asl

@@ -37,6 +37,8 @@ Device(EC)
 		Offset (0x3B),
 				    , 1,
 				KBLT, 1,        /* Keyboard Light */
+		Offset (0x78),
+				TMP0, 8,	/* Thermal Zone 0 temperature */
 		Offset (0x81),
 				PAGE, 8		/* Information Page Selector */
         }

src/mainboard/lenovo/x60/acpi/thermal.asl

@@ -0,0 +1,26 @@
+Scope(\_TZ)
+{
+	Method(C2K, 1, NotSerialized)
+	{
+		Multiply(Arg0, 10, Local0)
+		Add (Local0, 2732, Local0)
+		if (LLessEqual(Local0, 2732)) {
+		        Return (3000)
+		}
+
+		if (LGreater(Local0, 4012)) {
+		        Return (3000)
+		}
+		Return (Local0)
+	}
+
+	ThermalZone(THM0)
+	{
+		Method(_CRT, 0, NotSerialized) {
+			Return (C2K(127))
+		}
+		Method(_TMP) {
+			Return (C2K(\_SB.PCI0.LPCB.EC.TMP0))
+		}
+	}
+}