ARM: dts: rockchip: Add usb otg for rk3288-vyasa

Add usb otg support for rk3288-vyasa, board support usb1 otg
power through otg_vbus_drv and naming conversion followed
as per schematic.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>