USB-related platform data is not used anymore in the Tegra USB drivers,
so remove all of it.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Felipe Balbi <balbi@ti.com>