[SCSI] atari_NCR5380: Provide a dummy NCR5380_exit()

and call it from atari_scsi_release(), cfr. the other NCR5380 drivers.

This fixes:

drivers/scsi/NCR5380.h:303: warning: ‘NCR5380_exit’ declared ‘static’ but never defined

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 3e8658e..04a154f 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -730,6 +730,7 @@
 		free_irq(IRQ_TT_MFP_SCSI, sh);
 	if (atari_dma_buffer)
 		atari_stram_free(atari_dma_buffer);
+	NCR5380_exit(sh);
 	return 1;
 }