arm64: defconfig: Enable RFKILL GPIO

Enable as a module the RFKILL GPIO driver. This is needed to power WiFi
and Bluetooth radio on various RK3588 board. Without this module, rfkill
will report the switch has hard blocked, which prevents using the WiFi
or Bluetooth feature.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Link: https://lore.kernel.org/r/20241218-rk3588-rfkill-gpio-config-v1-1-dfdf464f97d4@collabora.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>