Fix(boards): 修复arduino mega pinout异常同时优化各板卡pinout相关block定义

boards/default_src/arduino_esp32/origin/boards.json

@@ -1060,7 +1060,7 @@
     },
     "Labplus mPython": {
         "group": "ESP32",
-        "xmlPath": "./xml/esp32.xml",
+        "xmlPath": "./xml/mpython.xml",
         "key": "esp32:esp32:mPython",
         "config": [
             {

boards/default_src/arduino_esp32/origin/xml/esp32.xml

@@ -3340,6 +3340,10 @@
   <block type="esp32_cam_pin" m-show="esp32cam"></block>
   <!-- nodemcu 32s管脚图 -->
   <block type="nodemcu_32s_pin" m-show="nodemcu-32s"></block>
+  <block type="handbit_A" m-show="mPython"></block>
+  <block type="handbit_B" m-show="mPython"></block>
+  <block type="handbit_pin_A" m-show="mPython"></block>
+  <block type="handbit_pin_B" m-show="mPython"></block>
   <block type="esp32c3_pin" m-show="esp32c3"></block>
   <block type="core_esp32c3_pin" m-show="esp32c3@core"></block>
   <block type="esp32s2_pin" m-show="esp32s2"></block>