Chris Krelle fcbe6fa671 add check for genisoimage
This adds a check for the fallback image creation tool and fails the
run if neither mkisofs and genisoimage are not found.

Change-Id: Ide6cf68e378fb7e5823edb9b8aca88bbd8874d60
2015-12-10 11:33:44 -08:00
..
2015-12-10 11:33:44 -08:00