document STARPU_SCHED_SIMPLE_COMBINED_WORKERS

doc/doxygen/chapters/api/modularized_scheduler.doxy

@@ -495,6 +495,10 @@ todo
 \ingroup API_Modularized_Scheduler
 Request to create downstream queues per worker, i.e. the scheduling decision-making component will choose exactly which workers tasks should got to.
 
+\def STARPU_SCHED_SIMPLE_COMBINED_WORKERS
+\ingroup API_Modularized_Scheduler
+Request to not only choose between simple workers, but also choose between combined workers.
+
 \def STARPU_SCHED_SIMPLE_DECIDE_MEMNODES
 \ingroup API_Modularized_Scheduler
 Request to create downstream queues per memory nodes, i.e. the scheduling decision-making component will choose which memory node tasks will go to.