[ieee1394]: Kill duplicate atomic.h inclusion.

Submitted-by: Arthur Othieno
Signed-off-by: Ben Collins <bcollins@debian.org>

drivers/ieee1394/ieee1394_core.h

@@ -101,8 +101,6 @@ void hpsb_free_packet(struct hpsb_packet *packet);
  *
  * Use the functions, not the variable.
  */
-#include <asm/atomic.h>
-
 static inline unsigned int get_hpsb_generation(struct hpsb_host *host)
 {
         return atomic_read(&host->generation);