Adds a script to pull the SPDX license data and update the license list
JSON data, as well as update the license directory.
(From OE-Core rev: cc2eb66fc0389664501baf57808e23f4cb4ee479)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>