Update RPi2 to use rpi-firmware
Update RPi2 to use rpi-firmware

HardenedBSD/crochet,HardenedBSD/crochet,dankm/crochet-freebsd,freebsd/crochet,freebsd/crochet,teverett/crochet-freebsd,dankm/crochet-freebsd,teverett/crochet-freebsd