ARM: dts: aspeed: Add USB2.0 device controller node

Add USB2.0 device controller(udc) node to device tree
for AST2600.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20220523030134.2977116-3-neal_liu@aspeedtech.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>