Generate upgrade.sh based on make target

upgrade.sh shell script should use a valid arguments for fuel_upgrade script
based on tarball purpose: fuel upgrade or openstack upgrade or both.

Closes-Bug: #1336365

blueprint upgrade-to-5-0-1

Change-Id: I752bb082ee8e68cddd4bda3d4ac4ea51b5c2f030
Merge "Generate upgrade.sh based on make target" into stable/5.0