patch ati-drivers for kernel 4.6

this uses the patch from
https://github.com/manjaro/packages-extra/commit/ddae91f2 to account
for https://github.com/torvalds/linux/commit/d4edcf0d and the patch
from https://www.virtualbox.org/ticket/15298 to account for
https://github.com/torvalds/linux/commit/09cbfeaf