drm/amdgpu: update cp packets for gfx v12_1
Clean up some unsupport CP packets for gfx v12_1.
Update CP packets for gfx v12_1 with some new definition.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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