superio/acpi: Replace LEqual(a,b) with ASL 2.0 syntax

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

Change-Id: Ia09c54465af47f5779917ed71bb3ea148864dfd1
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60657
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>

src/superio/acpi/pnp.asl

@@ -81,7 +81,7 @@
 	ENTER_CONFIG_MODE (PM_LDN)\
 	  Store (PM_REG, Local0)\
 	EXIT_CONFIG_MODE ()\
-	If (LEqual(Local0, PM_VAL)) { Return (3) }\
+	If (Local0 == PM_VAL) { Return (3) }\
 	Else { Return (0) }\
 
 /* Disable power saving mode */

src/superio/acpi/pnp_kbc.asl

@@ -156,7 +156,7 @@ Device (SUPERIO_ID(PS2, SUPERIO_KBC_PS2LDN)) {
 	Method (_STA)
 	{
 		Store (^^SUPERIO_ID(KBD, SUPERIO_KBC_LDN)._STA (), Local0)
-		If (LEqual (Local0, DEVICE_PRESENT_ACTIVE)) {
+		If (Local0 == DEVICE_PRESENT_ACTIVE) {
 			PNP_GENERIC_STA(SUPERIO_KBC_PS2LDN)
 		} Else {
 			Return (Local0)