The "hnp-srp-disable" property for dwc2 is specific to U-boot, not part of upstream Linux's device tree bindings. Move it to rk3328-u-boot.dtsi to avoid losing it when syncing device tree files. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>