drm/amdgpu: add amdgpu_jpeg and JPEG tests

It will be used for all versions of JPEG eventually. Previous
JPEG tests will be removed later since they are still used by
JPEG2.x.

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>
3 files changed