USB: ohci: da8xx: remove clk con_id

The ohci-da8xx device only has one clock, so a con_id is not needed, so
remove it. This way we don't have to add an unnecessary property to the
device tree bindings for the clock.

Signed-off-by: David Lechner <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/host/ohci-da8xx.c

···
 	da8xx_ohci = to_da8xx_ohci(hcd);
 	da8xx_ohci->hcd = hcd;
 
-	da8xx_ohci->usb11_clk = devm_clk_get(&pdev->dev, "usb11");
+	da8xx_ohci->usb11_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(da8xx_ohci->usb11_clk)) {
 		error = PTR_ERR(da8xx_ohci->usb11_clk);
 		if (error != -EPROBE_DEFER)