[Patch] Add a skeleton for lld 3.9 release notes

[Pete Cooper via llvm-commits]

Thanks for adding this.

LGTM as is, or would you prefer that we each add our respective entries then just do a single commit with all the notes together?

Cheers,
Pete
> On Feb 12, 2016, at 1:13 PM, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
> 
> Cheers,
> Rafael
> <t.diff>