drm/amdgpu: extend the show ucode name function

Extend amdgpu_ucode_name function to show SDMA TH0, TH1, IMU, RLCP, RLCV
and MES related ucode name via ucode id.

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>