drm/amdgpu: add irq sources for vcn v4_0
Add the interrupt source packet definitions for VCN4.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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