Version 1.3

Changelog:

• treewide:
  support passing USB paths (e.g. 3-1.2) to snagboot instead of
  vid:pid addresses

• i.MX:

  • Drop libhidapi dependency and add custom HID implementation
  • Add support for i.MX53 SoCs

• AM335x:

  • Improve POSIX compliance of setup script and make it compatible
    with Fish shell

• AM62x:

  • Update recovery flow for newer versions of U-Boot
  • Add board template for phyBOARD-Lyra

• snagflash:

  • Handle "continue" command gracefully
  • Generalize handling of command parameters