mb/google/kahlee/acpi: Replace LGreaterEqual(a,b) with ASL 2.0 syntax

Replace `LGreaterEqual(a, b)` with `a >= b`.

Change-Id: Id7975a8cad4078a523de2466919982ad540f5dd3
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60693
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>

src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/thermal.asl

@@ -57,7 +57,7 @@ Scope (\_TZ)
 			/* Critical temperature in deci-kelvin */
 			Store (CTOK (\TCRT), Local1)
 
-			If (LGreaterEqual (Local0, Local1)) {
+			If (Local0 >= Local1) {
 				Printf ("CRITICAL TEMPERATURE: %o", Local0)
 
 				/* Wait 1 second for EC to re-poll */