commander: add preflight check for hardfault files on SD card

src/modules/commander/commander_params.c

@@ -1010,6 +1010,17 @@ PARAM_DEFINE_INT32(COM_ARM_ARSP_EN, 1);
  */
 PARAM_DEFINE_INT32(COM_ARM_SDCARD, 1);
 
+/**
+ * Enable FMU SD card hardfault detection check
+ *
+ * This check detects if there are hardfault files present on the
+ * SD card. If so, and the parameter is enabled, arming is prevented.
+ *
+ * @group Commander
+ * @boolean
+ */
+PARAM_DEFINE_INT32(COM_ARM_HFLT_CHK, 1);
+
 /**
  * Enforced delay between arming and further navigation
  *