media: sun4i-csi: Fix 'Unbalanced pm_runtime_enable!'

When removing the module, balance PM runtime enable with
the corresponding disable call.
Signed-off-by: Oleg Verych <olecom@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c

@@ -264,6 +264,7 @@ static int sun4i_csi_remove(struct platform_device *pdev)
 {
 	struct sun4i_csi *csi = platform_get_drvdata(pdev);
 
+	pm_runtime_disable(&pdev->dev);
 	v4l2_async_nf_unregister(&csi->notifier);
 	v4l2_async_nf_cleanup(&csi->notifier);
 	vb2_video_unregister_device(&csi->vdev);