As requested here's the relevant dmesg from my working setup, there's an Xbox tuner in there as well
Code
[ 6.051588] kernel-overlays-setup: processing conf /storage/.cache/kernel-ove rlays/50-driver.dvb.crazycat.conf
[ 6.134301] kernel-overlays-setup: added modules from /usr/lib/kernel-overlay s/driver.dvb.crazycat/lib/modules/4.14.69
[ 9.059342] dvb-usb: found a 'Microsoft Xbox One Digital TV Tuner' in cold st ate, will try to load a firmware