bsp/niagara: Use default fatal extension

Update #5067.

bsps/sparc64/niagara/start/bspclean.c

@@ -25,17 +25,15 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <bsp.h>
 #include <bsp/bootcard.h>
-#include <rtems/bspIo.h>
 
 #include "m5op.h"
 
-void bsp_fatal_extension(
-  rtems_fatal_source source,
-  bool always_set_to_false,
-  rtems_fatal_code code
-)
+void bsp_reset( rtems_fatal_source source, rtems_fatal_code code )
 {
+  (void) source;
+  (void) code;
+
   m5_exit(0); 
+  RTEMS_UNREACHABLE();
 }

spec/build/bsps/sparc64/niagara/bspniagara.yml

@@ -44,7 +44,7 @@ source:
 - bsps/shared/dev/serial/legacy-console-control.c
 - bsps/shared/dev/serial/legacy-console-select.c
 - bsps/shared/dev/serial/legacy-console.c
-- bsps/shared/start/bspreset-loop.c
+- bsps/shared/start/bspfatal-default.c
 - bsps/shared/start/bspstart-empty.c
 - bsps/shared/start/gettargethash-default.c
 - bsps/shared/start/sbrk.c