usb: phy: samsung: Fix an error message typo

The error message is common to both clk_get functions. Update it
accordingly.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/phy/phy-samsung-usb2.c

@@ -388,7 +388,7 @@ static int samsung_usb2phy_probe(struct platform_device *pdev)
 		clk = devm_clk_get(dev, "otg");
 
 	if (IS_ERR(clk)) {
-		dev_err(dev, "Failed to get otg clock\n");
+		dev_err(dev, "Failed to get usbhost/otg clock\n");
 		return PTR_ERR(clk);
 	}