[PATCH] score: Add Doxygen group for <sys/lock.h> mutexes

[Sebastian Huber]

---
 cpukit/score/src/mutex.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/cpukit/score/src/mutex.c b/cpukit/score/src/mutex.c
index f7e35093b2..cad434bbd2 100644
--- a/cpukit/score/src/mutex.c
+++ b/cpukit/score/src/mutex.c
@@ -1,7 +1,7 @@
 /**
  * @file
  *
- * @ingroup RTEMSScore
+ * @ingroup RTEMSScoreSysLockMutex
  *
  * @brief This source file contains the implementation of
  *   _Mutex_Acquire(), _Mutex_Acquire_timed(), _Mutex_Acquire_timed_ticks(),
@@ -36,6 +36,16 @@
 #include <rtems/score/threadimpl.h>
 #include <rtems/score/todimpl.h>
 
+/**
+ * @defgroup RTEMSScoreSysLockMutex System Lock Mutex Handler
+ *
+ * @ingroup RTEMSScore
+ *
+ * @brief This group contains the System Lock Handler implementation.
+ *
+ * The interfaces are defined by Newlib in <sys/lock.h>.
+ */
+
 #define MUTEX_TQ_OPERATIONS &_Thread_queue_Operations_priority_inherit
 
 RTEMS_STATIC_ASSERT(
-- 
2.31.1