package/x265: disable altivec on ppc64
Disable altivec support until gcc problems are fixed:
https://bitbucket.org/multicoreware/x265/issues/320/fail-to-build-on-power8-le#comment-
34076791
Fixes
http://autobuild.buildroot.net/results/419/
41910d44ff98c60a6bb9fd3b6a10bd4d0b98d646/
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
(cherry picked from commit
4f3fd7460c7cb004cc4f7f75451d3901098910af)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>