Some modules (like Perl's MakeMaker) do not support non ASCII
characters in build folder's path, this would cause build failures
of software that does not support non ASCII.
A sanity check is added to warn the user.
Fixes [YOCTO #15764]
(From OE-Core rev: 2b3be97a0d0d60d026786a4465b24b6f6752ba32)
Signed-off-by: Sofiane HAMAM <sofiane.hamam@smile.fr>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>