bsps: Add BSP_GENERIC_FATAL_SPURIOUS_INTERRUPT

Use rtems_fatal() instead of bsp_cleanup().

c/src/lib/libbsp/m68k/mrm332/spurious/spinit.c

@@ -72,12 +72,10 @@ rtems_isr Spurious_Isr(
   RAW_PUTI(sp);
   RAW_PUTS("\n\r");
 #endif
-  bsp_cleanup(1);
-
-  /* BDM SIGEMT */
-  __asm__ ("  .word  0x4afa");
-
-  for(;;);
+  rtems_fatal(
+    RTEMS_FATAL_SOURCE_BSP_GENERIC,
+    BSP_GENERIC_FATAL_SPURIOUS_INTERRUPT
+  );
 }
 
 void Spurious_Initialize(void)

c/src/lib/libbsp/shared/include/bootcard.h

@@ -55,7 +55,8 @@ extern "C" {
  */
 typedef enum {
   BSP_GENERIC_FATAL_EXCEPTION_INITIALIZATION,
-  BSP_GENERIC_FATAL_INTERRUPT_INITIALIZATION
+  BSP_GENERIC_FATAL_INTERRUPT_INITIALIZATION,
+  BSP_GENERIC_FATAL_SPURIOUS_INTERRUPT
 } bsp_generic_fatal_code;
 
 /**