Import bin_image from esptool in esp32_image_parser

[beastbroak30]

This caused error so I fixed it

   Traceback (most recent call last):
  File "G:\KANPLAY_bin\esp32_image_parser\esp32_image_parser.py", line 281, in <module>
    main()
  File "G:\KANPLAY_bin\esp32_image_parser\esp32_image_parser.py", line 264, in main
    image2elf(dump_file, output_file, verbose)
  File "G:\KANPLAY_bin\esp32_image_parser\esp32_image_parser.py", line 41, in image2elf
    image = LoadFirmwareImage('esp32', filename)
NameError: name 'LoadFirmwareImage' is not defined