ide: call ide_proc_register_driver() later

Call ide_proc_register_driver() in ide*_setup() (just before
ide*_add_settings() call) instead of in ->probe method.

Despite being basically a preparation for /proc/ide/hd*/settings
rework this is a nice cleanup in itself.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index d9a2cc0..02bd5c4 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -460,6 +460,7 @@
 
 	drive->pc_callback = ide_scsi_callback;
 
+	ide_proc_register_driver(drive, scsi->driver);
 	idescsi_add_settings(drive);
 }
 
@@ -851,7 +852,6 @@
 	idescsi->host = host;
 	idescsi->disk = g;
 	g->private_data = &idescsi->driver;
-	ide_proc_register_driver(drive, &idescsi_driver);
 	err = 0;
 	idescsi_setup(drive, idescsi);
 	g->fops = &idescsi_ops;