arm64: dts: rockchip: Update joystick to polled for OG2

Update the Odroid Go Advance to use "poll-interval" from the
adc-joystick driver.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Link: https://lore.kernel.org/r/20220816210440.14260-4-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>