Update the Package version and obsolete ReadMe.txt.
Signed-off-by: niruiyu
Reviewed-by: hhtian
(based on FatPkg commit aac0302cad3a31e33e1febd57a6d50a7744e7d30)
[jordan.l.justen@intel.com: Use script to relicense to 2-clause BSD]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Mark Doran <mark.doran@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>