drm/amdgpu/pm: update MP v13_0_4 smu message register marco

Update MP v13_0_4 register macro for SMU message

v2: squash in missed case (Alex)

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>