c-user: Promote clustered scheduler configuration

Add own section for the clustered scheduler configuration.

c-user/configuring_a_system.rst

@@ -3293,8 +3293,8 @@ NOTES:
 
     The IDLE task must run at the lowest priority of all tasks in the system.
 
-Scheduler Algorithm Configuration
-=================================
+General Scheduler Configuration
+===============================
 
 This section defines the configuration parameters related to selecting a
 scheduling algorithm for an application.  For the :ref:`schedulers built into
@@ -3618,10 +3618,10 @@ NOTES:
     the configuration macros, please examine ``cpukit/sapi/include/confdefs.h``
     for how these are defined for the Deterministic Priority Scheduler.
 
-.. _Configuring Clustered Schedulers:
+.. _ConfigurationSchedulersClustered:
 
-Configuring Clustered Schedulers
---------------------------------
+Clustered Scheduler Configuration
+=================================
 
 Clustered scheduling helps to control the worst-case latencies in a
 multi-processor system.  The goal is to reduce the amount of shared state in

c-user/scheduling_concepts.rst

@@ -564,7 +564,7 @@ DIRECTIVE STATUS CODES:
 
 DESCRIPTION:
     Identifies a scheduler by its name.  The scheduler name is determined by
-    the scheduler configuration.  See :ref:`Configuring Clustered Schedulers`
+    the scheduler configuration.  See :ref:`ConfigurationSchedulersClustered`
     and :ref:`Configuring a Scheduler Name`.
 
 NOTES:

c-user/symmetric_multiprocessing_services.rst

@@ -54,8 +54,7 @@ value suitable for the application in order to save memory.  Each processor
 needs an idle thread and interrupt stack for example.
 
 The default scheduler for SMP applications supports up to 32 processors and is
-a global fixed priority scheduler, see also :ref:`Configuring Clustered
-Schedulers`.
+a global fixed priority scheduler, see also :ref:`ConfigurationSchedulersClustered`.
 
 The following compile-time test can be used to check if the SMP support is
 available or not.