ASoC: simple-card-utils: Increase maximum number of links to 128

On Tegra186 and later, the number of links can go up to 72, so bump the
maximum number of links to the next power of two (128).

Fixes: f2138aed

 ("ASoC: simple-card-utils: enable flexible CPU/Codec/Platform")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210416071147.2149109-2-thierry.reding@gmail.com
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>