HID: bpf: fix BTN_STYLUS for the XP Pen ACK05 remote

Usage_Dig_BarrelSwitch was applied in the UsagePage_Button
which incorrectly mapped to BTN_TOOL_PENCIL

Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/193
Fixes: 834da375 ("bpf: add a v6.11+ compatible BPF fixup for the XPPen ACK05 remote")
Link: https://patchwork.kernel.org/project/linux-input/patch/20250207-bpf-import-2025-02-07-v1-7-6048fdd5a206@kernel.org/



Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.com>