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/baytrail/acpi/southcluster.asl b/src/soc/intel/baytrail/acpi/southcluster.asl
index 53f181e..dacdd29 100644
--- a/src/soc/intel/baytrail/acpi/southcluster.asl
+++ b/src/soc/intel/baytrail/acpi/southcluster.asl
@@ -155,7 +155,7 @@
 	CreateDWordField (MCRS, ^LMEM._MIN, LMIN)
 	CreateDWordField (MCRS, ^LMEM._MAX, LMAX)
 	CreateDWordField (MCRS, ^LMEM._LEN, LLEN)
-	If (LPFW != Zero && LPEN == 1)
+	If (LPFW != 0 && LPEN == 1)
 	{
 		LMIN = LPFW
 		LLEN = 0x00100000
@@ -163,9 +163,9 @@
 	}
 	Else
 	{
-		LMIN = Zero
-		LMAX = Zero
-		LLEN = Zero
+		LMIN = 0
+		LMAX = 0
+		LLEN = 0
 	}
 
 	/* Update PCI resource area */