arm64: dts: rockchip: Drop RK3399-Scarlet's repeated ec_ap_int_l definition

This is repeated a few lines down.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20221013213336.1779917-1-briannorris@chromium.org


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