Audio-related clocks need to be represented in the device tree. Update
bindings to describe which clocks are needed, and DT files to include
those clocks.
Signed-off-by: NStephen Warren <swarren@nvidia.com>

Rename all Tegra binding documentation according to the first or
primary compatible value they describe. This provides a clear naming
scheme for the files, and prevents any naming conflicts should future
SoC versions require their own binding.
Signed-off-by: NStephen Warren <swarren@nvidia.com>

One such machine is Whistler.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>