arm64: dts: rockchip: Fix the headphone detection on the orangepi 5 plus

arm64: dts: rockchip: Fix the headphone detection on the orangepi 5 plus

The logic of the headphone detect pin seems to be inverted, with this
change headphones actually output sound when plugged in.

Verified by checking /sys/kernel/debug/gpio and by listening.

Fixes: 236d225e1ee7 ("arm64: dts: rockchip: Add board device tree for rk3588-orangepi-5-plus")
Signed-off-by: Maud Spierings <maud_spierings@hotmail.com>
Reviewed-by: Ondřej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/20250823-orangepi5-v1-1-ae77dd0e06d7@hotmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>