dt-bindings: Add documentation for Tegra186 Denver

Update arm/cpus.txt with the compatible string for the Denver CPU found
on Tegra186 SoCs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2016-10-10 17:10:44 +02:00
commit 2e002bdedc