rockchip: dts: rk3399-puma: update USB configuration

This change updates the USB configuration for the RK3399-Q7 in the DTS:
 * fixes the OTG board configuration by enabling it ('okay')
 * improves the speed of 'usb start' by disabling the unused EHCI/OHCI
   controllers

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
1 file changed