IPU6 Firmware Binaries Upstreamed For Recent Intel Laptops

Webcameras on newer Intel laptops have been challenging for Linux use without resorting to an out-of-tree driver and proprietary user-space components, but that's been thankfully changing with progress being made on an open-source stack. There's still proprietary firmware necessary for enabling the IPU6 image processing unit, but at least that too is now in linux-firmware.git for easy distribution and packaging by Linux distributions...