ec/lenovo/h8/acpi: Replace LLessEqual(a,b) with ASL 2.0 syntax

Replace `LLessEqual (a, b)` with `a <= b`.

Change-Id: I76855f9d4564fc08cd70456e2a0b1514cd73e35f
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70620
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/ec/lenovo/h8/acpi/thermal.asl

@@ -13,7 +13,7 @@ Scope(\_TZ)
 	{
 		Local0 = Arg0 * 10
 		Local0 += 2732
-		if (LLessEqual(Local0, 2732)) {
+		if (Local0 <= 2732) {
 			Return (3000)
 		}