soc/intel/icelake/acpi: Replace LEqual(a,b) with ASL 2.0 syntax

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

Change-Id: I36137cbf63a36e68480029058f4426ed80ff6e3e
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70588
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/icelake/acpi/pch_hda.asl b/src/soc/intel/icelake/acpi/pch_hda.asl
index f292901..d0f966a 100644
--- a/src/soc/intel/icelake/acpi/pch_hda.asl
+++ b/src/soc/intel/icelake/acpi/pch_hda.asl
@@ -26,17 +26,17 @@
 	 */
 	Method (_DSM, 4)
 	{
-		If (LEqual (Arg0, ^UUID)) {
+		If (Arg0 == ^UUID) {
 			/*
 			 * Function 0: Function Support Query
 			 * Returns a bitmask of functions supported.
 			 */
-			If (LEqual (Arg2, Zero)) {
+			If (Arg2 == Zero) {
 				/*
 				 * NHLT Query only supported for revision 1 and
 				 * if NHLT address and length are set in NVS.
 				 */
-				If (LAnd (LEqual (Arg1, One),
+				If (LAnd (Arg1 == One,
 					  LAnd (LNotEqual (NHLA, Zero),
 						LNotEqual (NHLL, Zero)))) {
 					Return (Buffer (One) { 0x03 })
@@ -52,7 +52,7 @@
 			 *
 			 * Returns a pointer to NHLT table in memory.
 			 */
-			If (LEqual (Arg2, One)) {
+			If (Arg2 == One) {
 				CreateQWordField (NBUF, ^NHLT._MIN, NBAS)
 				CreateQWordField (NBUF, ^NHLT._MAX, NMAS)
 				CreateQWordField (NBUF, ^NHLT._LEN, NLEN)