drm/amdgpu: Trigger a wedged event for ring reset

Instead of only triggering a wedged event for complete GPU resets,
trigger for ring resets. Regardless of the reset, it's useful for
userspace to know that it happened because the kernel will reject
further submissions from that app.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>