licenses: Add BSD-2-with-patent.

BUG=b:283900415
TEST=None

Change-Id: I1e96f87d8023079a2d856e88ab7388773ab4ac6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4559766
Reviewed-by: Miguel Casas-Sanchez <mcasas@chromium.org>
Commit-Queue: Sergey Frolov <sfrolov@google.com>
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Tested-by: Alex Klein <saklein@chromium.org>
1 file changed