Similar to SDMA, VCN etc.

v2: add argument to both PowerUpJpeg and PowerDownJpeg messages
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>