Add Broadwell performance results.

(Imported from upstream's b3d7294976c58e0e05d0ee44a0e7c9c3b8515e05.)

May as well avoid diverging.

Change-Id: I3edec4fe15b492dd3bfb3146a8944acc6575f861
Reviewed-on: https://boringssl-review.googlesource.com/3020
Reviewed-by: Adam Langley <agl@google.com>
3 files changed