lamfat — third-party attribution

This crate is a faithful republish of:

  fatfs (rafalh/rust-fatfs)
  Upstream commit: c4b88477b22ca7e5131fbd8891f62a5deaa88e6e (the no_std 0.4.0 git line)
  Copyright (c) 2017 Rafał Harabień
  License: MIT

lamfat keeps that MIT license. LICENSE-MIT carries both the upstream copyright
(Rafał Harabień) and the Lamco Development LLC copyright for the republish-level
changes. See PROVENANCE.md for the exact upstream commit and the full list of
changes from upstream.
