Tegra20-cpufreq driver require a platform device in order to be loaded,
instantiate a simple platform device for the driver during of the machines
late initialization.
Signed-off-by: NDmitry Osipenko <digetx@gmail.com>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NThierry Reding <treding@nvidia.com>