soc/tegra: fuse: Reset hardware

The FUSE controller is enabled at a boot time. Reset it in order to put
hardware and clock into clean and disabled state.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>