firewire: clean up some includes

#define __fw_transaction_h

#include <linux/device.h>

#include <linux/timer.h>

#include <linux/interrupt.h>

#include <linux/list.h>

#include <linux/fs.h>

#include <linux/dma-mapping.h>

#include <linux/firewire-constants.h>

#include <linux/list.h>

#include <linux/spinlock_types.h>

#include <linux/timer.h>

#include <linux/workqueue.h>

#include <asm/atomic.h>

#define TCODE_IS_READ_REQUEST(tcode)	(((tcode) & ~1) == 4)