MAINTAINERS: add Denis Benato as maintainer for asus notebooks

MAINTAINERS: add Denis Benato as maintainer for asus notebooks

Add myself as maintainer for "ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS
DRIVERS" as suggested by Hans de Goede and Armin Wolf.

Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Link: https://lore.kernel.org/all/8128cd6b-50e3-464c-90c2-781f61c3963e@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Acked-by: Luke Jones <luke@ljones.dev>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20251003184949.1083030-1-benato.denis96@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>