drm/amd/amdgpu: Fix errors in documentation of function parameters
In the function documentation, I removed the excess parameters,
described the undocumented ones, and fixed the syntax errors.
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by