Bug#836741: FTBFS on powerpcspe due to the use of unsupported instructions

[Mathieu Malaterre]

Control: tags -1 confirmed upstream patch
Control: forwarded -1
https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-September/148238.html

Patch is at:
https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-September/148424.html