ACPI: Untangle a return statement for better readability

No functional change.
Signed-off-by: NThomas Renninger <trenn@suse.de>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/acpi/numa.c

@@ -304,8 +304,10 @@ int __init acpi_numa_init(void)
 
 	acpi_numa_arch_fixup();
 
-	if (cnt <= 0)
-		return cnt ?: -ENOENT;
+	if (cnt < 0)
+		return cnt;
+	else if (cnt == 0)
+		return -ENOENT;
 	return 0;
 }