Merge tag 'drm/tegra/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux into drm-next

drm/tegra: Changes for v4.6-rc1

Only two cleanups this time around. One fixes reference counting of
device tree nodes, the other changes the return value of a function
from an unsigned int to an int to reflect that it will return error
codes.

* tag 'drm/tegra/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux:
  gpu: host1x: Use a signed return type for do_relocs()
  gpu: host1x: bus: Add missing of_node_put()