doxygen: score: Add powerpc CPU architecture group

Update #3706.

cpukit/score/cpu/powerpc/include/rtems/asm.h

@@ -42,6 +42,16 @@
 #include <rtems/score/cpuopts.h>
 #include <rtems/score/powerpc.h>
 
+/**
+ * @defgroup RTEMSScoreCPUPowerPCASM PowerPC Assembler Support
+ *
+ * @ingroup RTEMSScoreCPUPowerPC
+ *
+ * @brief PowerPC Assembler Support
+ *
+ * @{
+ */
+
 /*
  *  Recent versions of GNU cpp define variables which indicate the
  *  need for underscores and percents.  If not using GNU cpp or
@@ -302,3 +312,5 @@ SYM (x):;				\
 #endif
 
 #endif
+
+/** @} */

cpukit/score/cpu/powerpc/include/rtems/powerpc/registers.h

@@ -1,6 +1,8 @@
 /**
  * @file
  * 
+ * @addtogroup RTEMSScoreCPUPowerPC
+ * 
  * @brief PowerPc MSR and Registers Access Definitions
  * 
  * This file contains some powerpc MSR and registers access definitions.

cpukit/score/cpu/powerpc/include/rtems/score/cpu.h

@@ -1,6 +1,8 @@
 /**
  * @file
  * 
+ * @addtogroup RTEMSScoreCPUPowerPC
+ * 
  * @brief PowerPC CPU Department Source
  */
 

cpukit/score/cpu/powerpc/include/rtems/score/cpuimpl.h

@@ -22,6 +22,16 @@
 
 #include <rtems/score/cpu.h>
 
+/**
+ * @defgroup RTEMSScoreCPUPowerPC PowerPC
+ *
+ * @ingroup RTEMSScoreCPU
+ *
+ * @brief PowerPC Architecture Support
+ *
+ * @{
+ */
+
 /* Exception stack frame -> BSP_Exception_frame */
 #ifdef __powerpc64__
   #define FRAME_LINK_SPACE 32
@@ -258,4 +268,6 @@ RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void )
 
 #endif /* ASM */
 
+/** @} */
+
 #endif /* _RTEMS_SCORE_CPUIMPL_H */

cpukit/score/cpu/powerpc/include/rtems/score/paravirt.h

@@ -25,9 +25,11 @@
 #define _RTEMS_SCORE_PARAVIRT_H
 
 /**
- * @defgroup ParavirtPowerPC Paravirtualization PowerPC Support
+ * @defgroup RTEMSScoreCPUPowerPCParavirt PowerPC Paravirtualization Support
  *
- * @ingroup Score
+ * @ingroup RTEMSScoreCPUPowerPC
+ * 
+ * @brief PowerPC Paravirtualization Support
  *
  * This handler encapulates the functionality (primarily conditional
  * feature defines) related to paravirtualization on the PowerPC.