setup_board: Fix BINHOST generation for freon

Declare the freon maps as arrays so we don't always choose arm. Also,
We're now running a rush_ryu PFQ for arm rather than rush.

BUG=none
TEST=setup_board --board samus --regen_configs, check binhost

Change-Id: I6dc34382077cbf7c1f37802b2e73b6ec76062cf7
Reviewed-on: https://chromium-review.googlesource.com/230283
Reviewed-by: Haixia Shi <hshi@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Tested-by: Michael Spang <spang@chromium.org>
1 file changed