This is similar to the ppc64_pseries config, except we build for little
endian instead of big endian.
The default architecture is set to Power8 as this was the first fully
enabled LE machine.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>