fix menuconfig in msys2

Author: Jiu-xiao

utils/python/tool.py

@@ -23,12 +23,12 @@ def __init__(self):
 
     def guiconfig(self, path):
         print("Start menu config.")
-        os.system("cd " + path + " && " + self.kconfig_path + "/guiconfig.py")
+        os.system("cd " + path + " && python3 " + self.kconfig_path + "/guiconfig.py")
         print("Menu config done.")
 
     def menuconfig(self, path):
         print("Start menu config.")
-        os.system("cd " + path + " && " + self.kconfig_path + "/menuconfig.py")
+        os.system("cd " + path + " && python3 " + self.kconfig_path + "/menuconfig.py")
         print("Menu config done.")
 
     def clean_cache(self):