drm/amdgpu: fix doc by clarifying sched_list definition

expand sched_list definition for better understanding.
Also fix a typo atleast -> at least

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/scheduler/sched_entity.c

@@ -45,7 +45,7 @@
  * @guilty: atomic_t set to 1 when a job on this queue
  *          is found to be guilty causing a timeout
  *
- * Note: the sched_list should have atleast one element to schedule
+ * Note: the sched_list should have at least one element to schedule
  *       the entity
  *
  * Returns 0 on success or a negative error code on failure.

include/drm/gpu_scheduler.h

@@ -52,8 +52,9 @@ enum drm_sched_priority {
  * @list: used to append this struct to the list of entities in the
  *        runqueue.
  * @rq: runqueue on which this entity is currently scheduled.
- * @sched_list: a list of drm_gpu_schedulers on which jobs from this entity can
- *              be scheduled
+ * @sched_list: A list of schedulers (drm_gpu_schedulers).
+ *              Jobs from this entity can be scheduled on any scheduler
+ *              on this list.
  * @num_sched_list: number of drm_gpu_schedulers in the sched_list.
  * @rq_lock: lock to modify the runqueue to which this entity belongs.
  * @job_queue: the list of jobs of this entity.