ARM: tegra: Add host1x, DC and HDMI to Tegra114 device tree

Add host1x, DC (display controller) and HDMI devices to Tegra114
device tree.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>