Instead of having this file mostly just copy and pasted, it'll now be
generated.
We end up losing a lot of supported flags with this change, which is for
the best since we wouldn't have actually supported those things.
This is just a virtual number that the guest can query through the
various means. Will affect mesa with how many helper threads it
generates at the very least
Splits out to a jump table approach and loosely classifies and groups
the syscalls.
Also defines syscalls by number of arguments so it can be optimized