packer_freebsd.json: Update provision script

Switch to root before running freebsd.sh

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I5a252d53447344bc87e487be60025c80242d6beb
1 file changed
tree: fc4d014f1e6698d4f43858fd2e5912a828dee4bb
  1. freebsd.sh
  2. packer_freebsd.json
  3. packer_ubuntu.json
  4. ubuntu.sh