drm/sched: Remove mention of indirect buffers

drm/sched: Remove mention of indirect buffers

Indirect buffers are an AMD term describing essentialy a job submitted to
the scheduler, just a lower level one. Since scheduler was promoted to be
generic long ago, lets replace those references with jobs.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://lore.kernel.org/r/20250814133627.2550-1-tvrtko.ursulin@igalia.com