drm/panfrost: Name scheduler queues after their job slots

drm/panfrost: Name scheduler queues after their job slots

Drawing from commit d2624d90a0b7 ("drm/panthor: assign unique names to
queues"), give scheduler queues proper names that reflect the function
of their JM slot, so that this will be shown when gathering DRM
scheduler tracepoints.

Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20251009114313.1374948-1-adrian.larumbe@collabora.com