HID: bpf: add a BPF to get the touchpad type

Currently the kernel is scheduled to do this call by itself, but it
requires a kernel v6.18 at least to have the INPUT_PROP set. For older
kernels, we ca

HID: bpf: add a BPF to get the touchpad type

Currently the kernel is scheduled to do this call by itself, but it
requires a kernel v6.18 at least to have the INPUT_PROP set. For older
kernels, we can try to query the property from a HID-BPF probe, and set
a udev property based on that. This way we can provide the information
to old kernels without modifying them.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/220
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

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