From smu firmware,the value of power is transferred  in units of watts.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2321
Fixes: 137aac26 ("drm/amdgpu/smu12: fix power reporting on renoir")
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NJesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: NAaron Liu <aaron.liu@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org