Patches were rebased, sadly nothing was dropped :(
All kconfig changes are from simply running `kconfig migrate` and
accepting all defaults when prompted
[ci:skip-build]: already built successfully in CI
There are some important platform drivers that Valve has not upstreamed,
that are basically required for this device to operate well. I picked
those patches from the kernel tree they released for 6.5, and rebased
them onto 6.8.
