Merge branch 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

Just two small patches for stable to fix the driver failing to load on polaris
cards with harvested VCE or UVD blocks.

* 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: allow harvesting check for Polaris VCE
  drm/amdgpu: return -ENOENT from uvd 6.0 early init for harvesting