drivers/intel/gma/acpi: Replace LEqual(a,b) with ASL 2.0 syntax

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

Change-Id: I965a0718f6bca1dc27b928bdd9374857f5ea3215
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60660
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
diff --git a/src/drivers/intel/gma/acpi/common.asl b/src/drivers/intel/gma/acpi/common.asl
index 739b91c..860e1a8 100644
--- a/src/drivers/intel/gma/acpi/common.asl
+++ b/src/drivers/intel/gma/acpi/common.asl
@@ -7,7 +7,7 @@
 	Method(BRID, 1, NotSerialized)
 	{
 		Store (Match (BRIG, MEQ, Arg0, MTR, Zero, 2), Local0)
-		If (LEqual (Local0, Ones))
+		If (Local0 == Ones)
 		{
 			Return (SizeOf(BRIG) - 1)
 		}