Fixes up the permissions on the license files when they are put on the
target file system so that they are readable by everyone. Previously,
they would have inherited whatever permissions the file had in the
recipe, which may not have been appropriate.
[YOCTO #13175]
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
