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We don't support USB super-speed in U-Boot yet, we lack the SS PHY drivers, however from my testing even with a PHY driver there seem to be other issues when talking to super-speed peripherals. In pursuit of maintaining upstream DT compatibility, and simplifying porting for new devices, let's implement the DT fixups necessary to configure USB in high-speed only mode at runtime. The pattern is identical for all Qualcomm boards that use the Synaptics DWC3 controller: * Add an additional property on the Qualcomm wrapper node * Remove the super-speed phy phandle and phy-name entries. Acked-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>