ide: factor out debugging code from ide_tf_load()

Factor out debugging code from ide_tf_load() to ide_tf_dump() helper
and update ide_tf_load() users accordingly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 3927996..d7d8bb6 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -960,6 +960,8 @@
 	void			*special;	/* valid_t generally */
 } ide_task_t;
 
+void ide_tf_dump(const char *, struct ide_taskfile *);
+
 void ide_tf_load(ide_drive_t *, ide_task_t *);
 void ide_tf_read(ide_drive_t *, ide_task_t *);