drm/amdgpu: init RSMU and UMC ip base address for vega20

the driver needs to program RSMU and UMC registers to
support vega20 RAS feature

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Dennis Li <dennis.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2 files changed