Install curl for adding apt keys
Install curl for adding apt keys

Change-Id: Ifa8597bc8b508991a4d713d52526e17e02e42fb1
Signed-off-by: Tyler Heucke <ae42760ef71e07cdc78c21849b44551816bda917@heucke.io>

open-switch/infra_project-config,open-switch/infra_project-config