fix: restore v4l2loopback module #165

Job	Run time
build / image (main, bluefin, 40)	5m 50s
build / image (main, bluefin-dx, 40)	9m 27s
build / image (nvidia, bluefin, 40)	8m 52s
build / image (nvidia, bluefin-dx, 40)	9m 52s
build / image (asus, bluefin, 40)	6m 26s
build / image (asus, bluefin-dx, 40)	7m 37s
build / image (asus-nvidia, bluefin, 40)	5m 36s
build / image (asus-nvidia, bluefin-dx, 40)	9m 10s
build / image (surface, bluefin, 40)	5m 6s
build / image (surface, bluefin-dx, 40)	8m 1s
build / image (surface-nvidia, bluefin, 40)	6m 42s
build / image (surface-nvidia, bluefin-dx, 40)	8m 25s
build / Check all bluefin 40 builds successful	1s
build / iso	0s
	1h 31m 5s

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