Add variables to force kernel/world builds (overriding the default build-avoidance logic).
Add variables to force kernel/world builds (overriding the
default build-avoidance logic).

MattDooner/crochet-freebsd,wheelcomplex/crochet-freebsd,freebsd/crochet,rm4rty/crochet-freebsd,brd/crochet,HardenedBSD/crochet,rm4rty/crochet-freebsd,teverett/crochet-freebsd,dankm/crochet-freebsd,teverett/crochet-freebsd,wheelcomplex/crochet-freebsd,dankm/crochet-freebsd,wheelcomplex/crochet-freebsd,brd/crochet,HardenedBSD/crochet,freebsd/crochet,brd/crochet,MattDooner/crochet-freebsd