Add a script to change file names when upstreaming to OpenZFS/illumos.
Reviewed-by: Reviewed by: Prashanth Sreenivasa <prashksp@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Ahrens <mahrens@delphix.com>
Closes#5178
