clk: tegra: add FUSE clock device

This clock is needed to ensure the FUSE registers can be accessed
without freezing the system.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

diff --cc drivers/clk/tegra/clk-tegra114.c
Simple merge

diff --cc drivers/clk/tegra/clk-tegra124.c
Simple merge

diff --cc drivers/clk/tegra/clk-tegra20.c
Simple merge

diff --cc drivers/clk/tegra/clk-tegra30.c
Simple merge