sio/winbond/w83627hf/acpi: Replace LLess(a,b) with ASL 2.0 syntax

Replace `LLess(a, b)` with `a < b`.

Change-Id: I9344e34058a1dd8b951d273e53e3c229a0ec07b4
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60676
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>

src/superio/winbond/w83627hf/acpi/superio.asl

@@ -153,7 +153,7 @@ Device(SIO) {
 		Acquire (CRMX, 0xFFFF)
 		Store (0x87, ADDR)
 		Store (0x87, ADDR)
-		If (LLess(Arg0, 0xFF)) {
+		If (Arg0 < 0xFF) {
 			Store(Arg0, LDN)
 		}
 	}