MAINTAINERS: Add entries for Apple Z2 touchscreen driver

Add the MAINTAINERS entries for the driver

Reviewed-by: Neal Gompa <neal@gompa.dev>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250217-z2-v6-4-c2115d6e5a8f@gmail.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>