Add mbctool to the list of non debug protocols

boards/briki_abc_esp32.json

@@ -26,10 +26,13 @@
   ],
   "name": "Briki ABC (MBC-WB) - ESP32",
   "upload": {
-    "protocol": "mbctool",
     "flash_size": "8MB",
     "maximum_ram_size": 327680,
     "maximum_size": 3407872,
+    "protocol": "mbctool",
+    "protocols": [
+      "mbctool"
+    ],
     "require_upload_port": true,
     "speed": 1500000
   },

boards/briki_mbc-wb_esp32.json

@@ -26,10 +26,13 @@
   ],
   "name": "Briki MBC-WB - ESP32",
   "upload": {
-    "protocol": "mbctool",
     "flash_size": "8MB",
     "maximum_ram_size": 327680,
     "maximum_size": 3407872,
+    "protocol": "mbctool",
+    "protocols": [
+      "mbctool"
+    ],
     "require_upload_port": true,
     "speed": 1500000
   },

platform.py

@@ -67,7 +67,7 @@ class Espressif32Platform(PlatformBase):
 
         # debug tools
         debug = board.manifest.get("debug", {})
-        non_debug_protocols = ["esptool", "espota"]
+        non_debug_protocols = ["esptool", "espota", "mbctool"]
         supported_debug_tools = [
             "esp-prog",
             "iot-bus-jtag",