drm/amdkfd: fallback to pipe reset on queue reset fail for gfx9

drm/amdkfd: fallback to pipe reset on queue reset fail for gfx9

If queue reset fails, tell the CP to reset the pipe.
Since queues multiplex context per pipe and we've issued a device wide
preemption prior to the hang, we can assume the hung pipe only has one
queue to reset on pipe reset.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>