cpukit aarch64: Address unused parameter warnings

Add "(void) param;" annotation to address unused parameter warnings.
Found with GCC's warning -Wunused-parameter.

cpukit/libdebugger/rtems-debugger-aarch64.c

@@ -450,6 +450,8 @@ static const char *aarch64_mode_label( int mode )
 
 static int aarch64_debug_probe( rtems_debugger_target *target )
 {
+  (void) target;
+
   int                debug_version;
   uint64_t           val;
   const char        *vl = "[Invalid version]";
@@ -750,6 +752,8 @@ int rtems_debugger_target_configure( rtems_debugger_target *target )
 
 static void target_print_frame( CPU_Exception_frame *frame )
 {
+  (void) frame;
+
   EXC_FRAME_PRINT( target_printk, "[} ", frame );
 }
 
@@ -1736,6 +1740,11 @@ int rtems_debugger_target_hwbreak_control(
   DB_UINT                          kind
 )
 {
+  (void) wp;
+  (void) insert;
+  (void) addr;
+  (void) kind;
+
   /* To do. */
   return 0;
 }

cpukit/libdl/rtl-mdreloc-aarch64.c

@@ -179,6 +179,9 @@ uint32_t
 rtems_rtl_elf_section_flags (const rtems_rtl_obj* obj,
                              const Elf_Shdr*      shdr)
 {
+  (void) obj;
+  (void) shdr;
+
   return 0;
 }
 
@@ -217,6 +220,8 @@ rtems_rtl_elf_arch_section_free (const rtems_rtl_obj* obj,
 bool
 rtems_rtl_elf_rel_resolve_sym (Elf_Word type)
 {
+  (void) type;
+
   return true;
 }
 
@@ -229,6 +234,9 @@ rtems_rtl_elf_reloc_rela (rtems_rtl_obj*            obj,
                           const Elf_Word            symvalue,
                           const bool                parsing)
 {
+  (void) symname;
+  (void) syminfo;
+
   Elf64_Addr *where;
   Elf32_Addr *where32;
   Elf_Addr    off = rela->r_offset;
@@ -559,6 +567,13 @@ rtems_rtl_elf_relocate_rel_tramp (rtems_rtl_obj*            obj,
                                   const Elf_Byte            syminfo,
                                   const Elf_Word            symvalue)
 {
+  (void) obj;
+  (void) rel;
+  (void) sect;
+  (void) symname;
+  (void) syminfo;
+  (void) symvalue;
+
   rtems_rtl_set_error (EINVAL, "rela type record not supported");
   return rtems_rtl_elf_rel_failure;
 }
@@ -571,6 +586,13 @@ rtems_rtl_elf_relocate_rel (rtems_rtl_obj*            obj,
                             const Elf_Byte            syminfo,
                             const Elf_Word            symvalue)
 {
+  (void) obj;
+  (void) rel;
+  (void) sect;
+  (void) symname;
+  (void) syminfo;
+  (void) symvalue;
+
   rtems_rtl_set_error (EINVAL, "rela type record not supported");
   return rtems_rtl_elf_rel_failure;
 }

cpukit/score/cpu/aarch64/aarch64-thread-idle.c

@@ -43,6 +43,8 @@
 
 void *_CPU_Thread_Idle_body( uintptr_t ignored )
 {
+  (void) ignored;
+
   while ( true ) {
     __asm__ volatile ("wfi");
   }

cpukit/score/cpu/aarch64/cpu.c

@@ -134,6 +134,7 @@ void _CPU_Context_Initialize(
 )
 {
   (void) new_level;
+  (void) is_fp;
 
   the_context->register_sp = (uintptr_t) stack_area_begin + stack_area_size;
   the_context->register_lr = (uintptr_t) entry_point;