EDAC/thunderx: Remove irrelevant variable from error messages

'ret' is irrelevant (it is 0) for both dev_err() calls, so just remove
it from the error message.

[ bp: Massage commit message. ]

Fixes: 41003396f932 ("EDAC, thunderx: Add Cavium ThunderX EDAC driver")
Signed-off-by: Christophe JAILLET <[e-mail]>
Signed-off-by: Borislav Petkov <[e-mail]>
Link: https://lkml.kernel.org/r/0c046ef5cf[e-mail]

drivers/edac/thunderx_edac.c

···
 					      name, 1, "CCPI", 1,
 					      0, NULL, 0, idx);
 	if (!edac_dev) {
-		dev_err(&pdev->dev, "Cannot allocate EDAC device: %d\n", ret);
+		dev_err(&pdev->dev, "Cannot allocate EDAC device\n");
 		return -ENOMEM;
 	}
 	ocx = edac_dev->pvt_info;
···
 
 	ocx->regs = pcim_iomap_table(pdev)[0];
 	if (!ocx->regs) {
-		dev_err(&pdev->dev, "Cannot map PCI resources: %d\n", ret);
+		dev_err(&pdev->dev, "Cannot map PCI resources\n");
 		ret = -ENODEV;
 		goto err_free;
 	}