DMCU firmware version can be read using the AMDGPU_INFO ioctl
or the amdgpu_firmware_info debugfs entry
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>