Add script to make SPDX bindings
Adds a script to generate the SPDX code bindings
(From OE-Core rev: f0a5fdf54f975f9bc30758aec1f6f27e2d8149de)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>