usb: host: xhci-tegra: use regulator_bulk_set_supply_names()

Use the new regulator helper instead of a for loop.
Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: NThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20191001132333.20146-4-brgl@bgdev.plSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci-tegra.c

@@ -1126,8 +1126,9 @@ static int tegra_xusb_probe(struct platform_device *pdev)
 		goto put_powerdomains;
 	}
 
-	for (i = 0; i < tegra->soc->num_supplies; i++)
-		tegra->supplies[i].supply = tegra->soc->supply_names[i];
+	regulator_bulk_set_supply_names(tegra->supplies,
+					tegra->soc->supply_names,
+					tegra->soc->num_supplies);
 
 	err = devm_regulator_bulk_get(&pdev->dev, tegra->soc->num_supplies,
 				      tegra->supplies);