usb: ohci-generic: replace pr_err() by dev_err()

As we get access to struct udevice, use dev_err() instead
of pr_err().

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
index 590fe4c..5bdd799 100644
--- a/drivers/usb/host/ohci-generic.c
+++ b/drivers/usb/host/ohci-generic.c
@@ -97,14 +97,14 @@
 
 			err = clk_enable(&priv->clocks[i]);
 			if (err) {
-				pr_err("failed to enable clock %d\n", i);
+				dev_err(dev, "failed to enable clock %d\n", i);
 				clk_free(&priv->clocks[i]);
 				goto clk_err;
 			}
 			priv->clock_count++;
 		}
 	} else if (clock_nb != -ENOENT) {
-		pr_err("failed to get clock phandle(%d)\n", clock_nb);
+		dev_err(dev, "failed to get clock phandle(%d)\n", clock_nb);
 		return clock_nb;
 	}
 
@@ -124,20 +124,19 @@
 
 			err = reset_deassert(&priv->resets[i]);
 			if (err) {
-				pr_err("failed to deassert reset %d\n", i);
+				dev_err(dev, "failed to deassert reset %d\n", i);
 				reset_free(&priv->resets[i]);
 				goto reset_err;
 			}
 			priv->reset_count++;
 		}
 	} else if (reset_nb != -ENOENT) {
-		pr_err("failed to get reset phandle(%d)\n", reset_nb);
+		dev_err(dev, "failed to get reset phandle(%d)\n", reset_nb);
 		goto clk_err;
 	}
 
 	err = ohci_setup_phy(dev, 0);
 	if (err)
-
 		goto reset_err;
 
 	err = ohci_register(dev, regs);
@@ -154,11 +153,11 @@
 reset_err:
 	ret = reset_release_all(priv->resets, priv->reset_count);
 	if (ret)
-		pr_err("failed to assert all resets\n");
+		dev_err(dev, "failed to assert all resets\n");
 clk_err:
 	ret = clk_release_all(priv->clocks, priv->clock_count);
 	if (ret)
-		pr_err("failed to disable all clocks\n");
+		dev_err(dev, "failed to disable all clocks\n");
 
 	return err;
 }