The linux-firmware-raspi2 1.20161020-0ubuntu1~0.2~rpi3 is not the same linux-firmware-raspi2 that you find in the archive: it is actually a package from a PPA - you should contact the author and work out the problem with him.
https://launchpad.net/~ubuntu-raspi2/+archive/ubuntu/ppa-rpi3/+packages
The linux-firmware- raspi2 1.20161020- 0ubuntu1~ 0.2~rpi3 is not the same linux-firmware- raspi2 that you find in the archive: it is actually a package from a PPA - you should contact the author and work out the problem with him.
https:/ /launchpad. net/~ubuntu- raspi2/ +archive/ ubuntu/ ppa-rpi3/ +packages