docs/win_order_files.md: Add step to link using the new order files

TBR=hans

Bug: none
Change-Id: Iffb2547c32d147a389c5a3ff1ca1de078e10f451
Reviewed-on: https://chromium-review.googlesource.com/798216
Commit-Queue: Hans Wennborg <hans@chromium.org>
Reviewed-by: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520303}
1 file changed