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@deif.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
                        };
                };
 
-               usb@8600000 {
+               usb2: usb@8600000 {
                        compatible = "fsl-usb2-dr-v2.5", "fsl-usb2-dr";
                        reg = <0x0 0x8600000 0x0 0x1000>;
                        interrupts = <GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
                        phy_type = "ulpi";
                };
 
-               usb3@3100000 {
+               usb3: usb3@3100000 {
                        compatible = "snps,dwc3";
                        reg = <0x0 0x3100000 0x0 0x10000>;
                        interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;