score: Add SMP priority affinity scheduler yield

cpukit/include/rtems/score/schedulerpriorityaffinitysmp.h

@@ -75,7 +75,7 @@ extern "C" {
   { \
     _Scheduler_priority_SMP_Initialize, \
     _Scheduler_default_Schedule, \
-    _Scheduler_priority_SMP_Yield, \
+    _Scheduler_priority_affinity_SMP_Yield, \
     _Scheduler_priority_affinity_SMP_Block, \
     _Scheduler_priority_affinity_SMP_Unblock, \
     _Scheduler_priority_affinity_SMP_Update_priority, \
@@ -129,6 +129,12 @@ void _Scheduler_priority_affinity_SMP_Block(
   Scheduler_Node          *node
 );
 
+void _Scheduler_priority_affinity_SMP_Yield(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *thread,
+  Scheduler_Node          *node
+);
+
 /**
  * @brief Unblocks a thread.
  *

cpukit/score/src/schedulerpriorityaffinitysmp.c

@@ -619,6 +619,24 @@ Thread_Control *_Scheduler_priority_affinity_SMP_Remove_processor(
   );
 }
 
+void _Scheduler_priority_affinity_SMP_Yield(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *thread,
+  Scheduler_Node          *node
+)
+{
+  Scheduler_Context *context = _Scheduler_Get_context( scheduler );
+
+  _Scheduler_SMP_Yield(
+    context,
+    thread,
+    node,
+    _Scheduler_priority_SMP_Extract_from_ready,
+    _Scheduler_priority_affinity_SMP_Enqueue,
+    _Scheduler_priority_affinity_SMP_Enqueue_scheduled
+  );
+}
+
 Status_Control _Scheduler_priority_affinity_SMP_Set_affinity(
   const Scheduler_Control *scheduler,
   Thread_Control          *thread,