libata: turn on ATAPI by default

drivers/scsi/libata-core.c

@@ -71,7 +71,7 @@ static unsigned int ata_dev_xfermask(struct ata_port *ap,
 static unsigned int ata_unique_id = 1;
 static struct workqueue_struct *ata_wq;
 
-int atapi_enabled = 0;
+int atapi_enabled = 1;
 module_param(atapi_enabled, int, 0444);
 MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)");