media: imx7-media-csi: Propagate the correct error for platform_get_irq()

In the case of platform_get_irq() failure, let's propagate the real error
code instead of a fake one.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/imx/imx7-media-csi.c

@@ -1182,7 +1182,7 @@ static int imx7_csi_probe(struct platform_device *pdev)
 	csi->irq = platform_get_irq(pdev, 0);
 	if (csi->irq < 0) {
 		dev_err(dev, "Missing platform resources data\n");
-		return -ENODEV;
+		return csi->irq;
 	}
 
 	csi->regbase = devm_platform_ioremap_resource(pdev, 0);