uninative: Improve glob to handle glibc 2.34

With glibc 2.34, the libraries were renamed. Tweak the glob to support both
as this is needed for newer uninative versions.

[RP: tweak commit message]
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>