musl doesn't implement the non-posix compliant,
deprecated, glibc-only special version of strerror_r
that libnl had been using so far.
Backport the patch(set) that switches libnl over to
using strerror_l().
(From OE-Core rev: 3718761dd9bd841c4383b63346c1ff2c81570af6)
Signed-off-by: André Draszik <git@andred.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>