drm/amdgpu: Add ring reset callback for JPEG2_0_0

Add ring reset function callback for JPEG2_0_0 to
recover from job timeouts without a full gpu reset.

Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>