arm64: dts: rockchip: enable tsadc for ROCK 4C+

add and enable Temperature Sensor ADC for Radxa ROCK 4C+

Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20221018072242.2348995-1-naoki@radxa.com


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