drm/amdgpu: add documentation for amdgpu_device.c

Add kernel doc for the functions in amdgpu_device.c

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-03-15 17:39:45 -05:00
commit e3ecdffac9