RELENG-190: always build 'tar' (aka 'boot') package with '-c' (no config file)
RELENG-190: always build 'tar' (aka 'boot') package with '-c' (no config file)

kaizengarden/sdc-headnode,kaizengarden/sdc-headnode,joyent/sdc-headnode,joyent/sdc-headnode,joyent/sdc-headnode,numericillustration/sdc-headnode,joyent/sdc-headnode,kaizengarden/sdc-headnode,kaizengarden/sdc-headnode,numericillustration/sdc-headnode,numericillustration/sdc-headnode