mb/lenovo/x60: Convert *.asl to ASL 2.0 syntax

Generated 'build/dsdt.dsl' are identical.

Change-Id: I305561625d973093645236c77ef13a96ab780f94
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46011
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

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

@@ -27,7 +27,7 @@ Scope (\_SB)
 			   TRAP(SMI_DOCK_DISCONNECT)
 			}
 
-			Xor(Arg0, DSTA, Local0)
+			Local0 = Arg0 ^ DSTA
 			Return (Local0)
 		}
 

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

@@ -5,8 +5,8 @@ Scope (\_GPE)
 	Method(_L18, 0, NotSerialized)
 	{
 		/* Read EC register to clear wake status */
-		Store(\_SB.PCI0.LPCB.EC.WAKE, Local0)
+		Local0 = \_SB.PCI0.LPCB.EC.WAKE
 		/* So that we don't get a warning that Local0 is unused. */
-		Increment (Local0)
+		Local0++
 	}
 }

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

@@ -24,12 +24,12 @@ Method(_WAK,1)
 	// was inserted while a sleep state was active.
 
 	// Are we going to S3?
-	If (LEqual(Arg0, 3)) {
+	If (Arg0 == 3) {
 		// ..
 	}
 
 	// Are we going to S4?
-	If (LEqual(Arg0, 4)) {
+	If (Arg0 == 4) {
 		// ..
 	}