phy: exynos5-usbdrd: fix error code in probe()

Return negative -ENOMEM instead of positive ENOMEM.

Fixes: 497ddaf ("phy: exynos5-usbdrd: convert Vbus supplies to regulator_bulk")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/a956a3e2-c6ce-4f07-ad80-ec8a96e00d16@stanley.mountain
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: Dan Carpenter

drivers/phy/samsung/phy-exynos5-usbdrd.c

@@ -1745,7 +1745,7 @@ static int exynos5_usbdrd_phy_probe(struct platform_device *pdev)
 					   sizeof(*phy_drd->regulators),
 					   GFP_KERNEL);
 	if (!phy_drd->regulators)
-		return ENOMEM;
+		return -ENOMEM;
 	regulator_bulk_set_supply_names(phy_drd->regulators,
 					drv_data->regulator_names,
 					drv_data->n_regulators);