mb/aopen/dxplplusu/acpi: Replace LEqual(a,b) with ASL 2.0 syntax

Replace `LEqual (a, b)` with `a == b`.

Change-Id: I4fa3942216f1638abeafa0c562f4d6a2a499254b
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70586
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/aopen/dxplplusu/acpi/superio.asl b/src/mainboard/aopen/dxplplusu/acpi/superio.asl
index b49ef44..9f8c6c2 100644
--- a/src/mainboard/aopen/dxplplusu/acpi/superio.asl
+++ b/src/mainboard/aopen/dxplplusu/acpi/superio.asl
@@ -139,22 +139,22 @@
 
 Method (MLED, 1, NotSerialized)
 {
-	If (LEqual (Arg0, 0x00))
+	If (Arg0 == 0x00)
 	{
 		Store (0x00, LED1)
 	}
 
-	If (LEqual (Arg0, 0x01) || LEqual (Arg0, 0x02))
+	If (Arg0 == 0x01 || Arg0 == 0x02)
 	{
 		Store (0x01, LED1)
 	}
 
-	If (LEqual (Arg0, 0x03))
+	If (Arg0 == 0x03)
 	{
 		Store (0x02, LED1)
 	}
 
-	If (LEqual (Arg0, 0x04) || LEqual (Arg0, 0x05))
+	If (Arg0 == 0x04 || Arg0 == 0x05)
 	{
 		Store (0x03, LED1)
 	}