MindPXFMUv2 uses a new board id, different with PX4FMUv2.

Images/mindpx-v2.prototype

 {
-    "board_id": 9, 
-    "magic": "PX4FWv2",
-    "description": "Firmware for the MindPx-V2  board", 
+    "board_id": 88,
+    "magic": "MindPX",
+    "description": "Firmware for the MindPXFMUv2 board",
     "image": "", 
     "build_time": 0, 
-    "summary": "MindPx-v2",
+    "summary": "MindPXFMUv2",
     "version": "2.1",
     "image_size": 0,
     "git_identity": "",