drm/amdgpu: Add mode2 reset logic for v13.0.6

Mode2 reset for v13.0.6 has similar workflow as v13.0.2

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>