gcc configure fails to set these settings correctly
on musl based builds
(From OE-Core rev: f1cdd7bf1d9351005867b5c77c05fdddfc9656fd)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>