[git commit future 1/1] cris: add provide arch-specific vfork implementation

[Thorsten Glaser]

commit: http://git.uclibc.org/uClibc/commit/?id=9b5df2295b4a3cfc63a15b6490f2b61dcf7c1be9
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/future

vfork must be called with nothing at all on the stack,
so implementing it via syscall() does not work.

Signed-off-by: Thorsten Glaser <tg at mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
Signed-off-by: Mike Frysinger <vapier at gentoo.org>

Patch is too large, so refusing to show it