update hooks: migrate rambi & ivybridge to freon

BUG=chromium:474713
TEST=run_chroot_version_hooks
CQ-DEPEND=CL:265034

Reviewed-on: https://chromium-review.googlesource.com/265007
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
(cherry picked from commit 2c0fea48b8f43c9af1fa050027eaf2bd36c97456)

Change-Id: I56377cd109e828a8becc016ceac6ee8bb5ff5763
Reviewed-on: https://chromium-review.googlesource.com/265613
Reviewed-by: Michael Spang <spang@chromium.org>
Tested-by: Michael Spang <spang@chromium.org>
1 file changed