ARM: tegra: Add AUXDATA for Tegra30 host1x

Add the OF_DEV_AUXDATA table entries required to associate the proper
names with host1x and its children. In turn, this allows the devices to
find the required clocks.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>