doxygen: Added libmisc group and libmisc mouse group

Update #3706.

@ingroup for these groups already existed, but no @defgroup

Further restructuring necessary

cpukit/doxygen.h

@@ -39,3 +39,20 @@
  * 
  * @brief nfs Client
  */
+
+/**
+ * @defgroup libmisc libmisc
+ *
+ * @ingroup TODO
+ *
+ * @brief libmisc
+ */
+
+/**
+ * @defgroup libmisc_mouse Serial Mouse
+ *
+ * @ingroup libmisc
+ *
+ * @brief Serial Mouse
+ */
+

cpukit/include/rtems/bspcmdline.h

@@ -1,9 +1,6 @@
 /**
  * @file
  *
- * @defgroup BSPCommandLine BSP Command Line Helpers
- *
- * @ingroup libmisc
  * @brief BSP Command Line Handler
  *
  * This include file contains all prototypes and specifications
@@ -28,6 +25,8 @@
 /**
  * @defgroup BSPCommandLine BSP Command Line Helpers
  *
+ * @ingroup libmisc
+ *
  * The BSP Command Line Handler provides a set of routines which assist
  * in examining and decoding the Command Line String passed to the BSP
  * at boot time.