The Apple Touch Bar is only present on x86 MacBook Pros. Hence add a
dependency on X86, to prevent asking the user about this driver when
configuring a kernel for a different architecture.
Fixes: 1fd41e5e3d7cc556 ("HID: hid-appletb-bl: add driver for the backlight of Apple Touch Bars") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Aditya Garg <gargaditya08@live.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>