[PATCH resend] arm: dts: ls1021a: Add label to USB controllers

[Shawn Guo]

On Tue, Dec 05, 2017 at 09:16:33AM +0100, Rasmus Villemoes wrote:
> From: Esben Haabendal <eha at deif.com>
> 
> Add usb2 and usb3 labels to USB2 and USB3 controller device tree nodes,
> for easier modification in board dts files.
> 
> Signed-off-by: Esben Haabendal <eha at deif.com>
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes at prevas.dk>

Fixed prefix and applied the patch.

Shawn