HAL_ChibiOS: disable thread_info in AP_Periph and bootloader

libraries/AP_HAL_ChibiOS/Util.cpp

@@ -304,7 +304,7 @@ bool Util::was_watchdog_reset() const
     return stm32_was_watchdog_reset();
 }
 
-#if CH_DBG_ENABLE_STACK_CHECK == TRUE && !defined(HAL_BOOTLOADER_BUILD)
+#if CH_DBG_ENABLE_STACK_CHECK == TRUE
 /*
   display stack usage as text buffer for @SYS/threads.txt
  */
@@ -343,4 +343,5 @@ size_t Util::thread_info(char *buf, size_t bufsize)
 
   return total;
 }
-#endif
+#endif // CH_DBG_ENABLE_STACK_CHECK == TRUE
+