a change to force an error if the passed in ENV var is not defined. If
that had been there, the borkage wouldn't have been undetected.
Changed to only put the main FW in the firmware dir, instead of BL and
FW.
implementation. Uses the standard OP package system front end then
connects into the Debian Package manager for package building. Should
work on both i386 and amd64 systems. Auto determins and runtime which
system it is building on and produces an appropriate package for the
platform in the build dir.