RFC: remove the "tile" architecture from glibc

[Joseph Myers]

On Mon, 4 Dec 2017, Chris Metcalf wrote:

> The one other new failure is due to the compat-only, never-upstreamed
> "set_dataplane" syscall, and I'm not sure if there's an obvious fix for that:
> 
> FAIL: misc/tst-syscall-list

If you have a local patch to the kernel headers adding a syscall there, 
you do indeed need a local syscall-names.list patch as well.

-- 
Joseph S. Myers
joseph@codesourcery.com