aarch64 has been supported since GCC 5.1, sparc has been supported
since 4.9, and S390 since 7.1.
Also mark as broken entirely with musl.
(From OE-Core rev: 7d90d2a70f0184ad715e9917d3e7aa096cf98f79)
Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>