tree/acpi: Replace constant "Zero" with actual number

Change-Id: I5a3e3506415f424bf0fdd48fc449520a76622af5
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71525
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/braswell/acpi/dptf/charger.asl b/src/soc/intel/braswell/acpi/dptf/charger.asl
index 76209c9..0c9b3f5 100644
--- a/src/soc/intel/braswell/acpi/dptf/charger.asl
+++ b/src/soc/intel/braswell/acpi/dptf/charger.asl
@@ -30,7 +30,7 @@
 		Local0--
 
 		/* Check if charging is disabled (AC removed) */
-		If (\_SB.PCI0.LPCB.EC0.ACEX == Zero) {
+		If (\_SB.PCI0.LPCB.EC0.ACEX == 0) {
 			/* Return last power state */
 			Return (Local0)
 		} Else {