ubuntu.sh: install packer for temporary

In order to  create an AMI for staging build node "Test Jenkins AMI",
the tool "packer" is needed.

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: Iadab3822649e47144d2872cf5192e2f282da1712
1 file changed
tree: c7ab19a9030f9e931ec958ef3db17d40bc75f721
  1. freebsd.sh
  2. packer_freebsd.json
  3. packer_ubuntu.json
  4. ubuntu.sh